An Instrument To Support Thinking Critically About Critical Thinking In Online Asynchronous Discussions

Australasian Journal of Educational Technology
2004, 20(3), 295-315.
AJET 20
An instrument to support thinking critically about critical
thinking in online asynchronous discussions
Elizabeth Murphy
Memorial University of Newfoundland
This paper reports on the creation of an instrument for use by instructors, students, or
researchers to identify, measure or promote critical thinking (CT) in online asynchronous
discussions (OADs). Four models of CT were reviewed, synthesised, analysed, and evaluated
to clarify the construct. Indicators of specific cognitive processes related to CT were
identified, and subsequently retained, rejected or modified to show how the construct might
be operationalised in real contexts of use. Subsequent empirical testing of the instrument for
the analysis of a transcript of an OAD revealed that while the instrument was valuable in
identifying and measuring CT in the OAD, issues of practicality need to be addressed.
Implications for research and practice are presented.
Introduction
Researchers interested in the role of online asynchronous discussions or conferences in teaching and
learning have analysed transcripts to investigate various cognitive processes, such as problem solving
(Jonassen & Kwon, 2001; Murphy, 2004), knowledge construction (Kanuka & Anderson, 1998;
Gunawardena, Lowe, & Anderson, 1997), and critical thinking (Newman, Webb, & Cochrane, 1995;
Bullen, 1998). While one could argue forcefully that any one of these processes merits attention by
instructors or researchers, critical thinking, we assert, is a central and significant process. McPeck (1981)
claims that, "critical thinking is a necessary condition for education" (p. 34), and Norris and Ennis (1989)
characterise critical thinking (CT) as "a defensible educational ideal" (p. 22). Additionally, Oliver (2001)
posits that critical thinking skills are particularly important today, "in the ability to make meaningful use of
electronic information" (p. 100).
Although asynchronous conferencing might afford or support opportunities for engagement in various
cognitive processes such as critical thinking, it does not guarantee it. Engagement derives, not from a
context of use of a medium of communication, but instead, as a result of numerous and varied factors and
conditions, such as the instructional design of the online asynchronous discussion (OAD), the
requirements set by the moderator of the discussion, the character of interactions between discussants and,
as well, the issue or topic under consideration. Designers, instructors, students and researchers can be
supported in their attempts to promote, identify and measure engagement in CT through instruments for
the analysis of transcripts of OADs.
A number of models and theoretical perspectives have been proposed in the literature on CT. Newman,
Webb and Cochrane (1995) developed an instrument to measure CT in face to face and online discussions.
However, their presentation of 46 indicators is cumbersome, and has been criticised for ambiguity and lack
of mutual exclusivity between indicators (Bullen, 1998). In Garrison, Anderson and Archer's (2001)
development of a tool "to assess the nature and quality of critical discourse" in text based learning (p. 1),
the focus is on the interactive nature of critical thinking through the authors' practical inquiry model.
While this study is based on a sound conceptual framework, no usable instrument is offered to instructors
AJET 20(3) Murphy (2004) - An instrument to support thinking critical... http://www.ascilite.org.au/ajet/ajet20/murphy.html
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or students for the assessment and support of CT in practice. In later work, Fahy (2002) used Garrison et
al's (2001) practical inquiry model, and Zhu's (1996) Transcript Analysis Tool (TAT). He asserted that
Garrison et al's research could be improved on by adopting the sentence as the unit of analysis, as well as
the integration of two distinct approaches to analysis of CT in OADs. While Fahy revealed that the two
methods of analysis are complementary, analysis using two separate methods is time consuming and
impractical for application in educational contexts. What is needed are instruments based on solid
conceptual frameworks to ensure validity of the CT construct. These constructs must be usable by
designers, instructors, students, and researchers.
The purpose of the study reported on in this paper was to create an instrument that could be used by
designers, instructors, students or researchers to identify, measure, or promote CT in the context of an
OAD. The primary focus was to derive an instrument that was solidly grounded in the literature on CT in
order to ensure validity of the construct. The paper begins with a review of four models of CT. The models
were subsequently synthesised in table format to highlight their similarities and differences in their
perspectives on CT. A subsequent analysis and evaluation of the models supported identification of key
processes and indicators associated with CT. These were then used to design an instrument that can be
used for the identification, measurement, or promotion of CT in an OAD. The instrument was then applied
to the analysis of an OAD. Results of the application are discussed in relation to the value and practicality
of the instrument. Implications for practice and research are presented.
Understanding critical thinking
While there is much disagreement about the precise meaning of the term critical thinking (Hager, Sleet,
Logan, & Hooper, 2003), and ambiguity in its synonymous use with such terms as higher order thinking,
deep thinking, good thinking and problem solving (see, for example, Phye, 1997; Norris & Ennis, 1989),
this study aligns with Norris and Ennis (1989) who assert, "Critical thinking is reasonable and reflective
thinking that is focused upon deciding what to believe or do" (p. 1). CT is viewed by some researchers as a
generic skill (e.g. Halpern, 1989), while others view this construct as subject specific (eg. McPeck, 1992),
and still others consider the associated dispositions, or affective realm (eg. Dewey, 1933; Paul, 1993). The
purpose of this paper is not to argue for one particular camp of CT, but rather, to clarify the construct
through an analysis of existing models and through the subsequent design of an instrument that
operationalises the construct.
Our starting point for the development of the instrument was a review of existing models of critical
thinking. A number of such models have been derived by researchers, including Fahy (2002), Garrison,
Anderson, and Archer (2001), Aviv (2001), Bullen (1998, 1997), Newman, Johnson, Webb and Cochrane
(1997), Zhu (1996), Henri (1992), Norris and Ennis (1989), and Brookfield (1987). Models chosen for this
study include those from Bullen (1998) and Garrison, Anderson and Archer (2001), for their specificity to
computer conferencing, while the remaining two models chosen are those from Brookfield (1987), and
Norris and Ennis (1989), as they focus on thinking processes in a theoretical context of teaching and
learning.
Brookfield's perspective of critical thinking was chosen for its theoretical bases, and its consideration of
broad sociological contexts. Bullen's (1998) model draws heavily on the seminal work of Norris and Ennis
(1989), and was included for its application of the theoretical model in the context of computer
conferencing. Garrison, Anderson and Archer (2001), who draw on their own earlier work (2000) as well
as Dewey's (1933) notion of practical inquiry, were chosen as a more recent example, as well as for their
prominence in the literature (see, for example, Fahy, 2002; Newman, Webb and Cochrane, 1995 for
applications of Garrison et al's model).
Model 1: Brookfield (1987)
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Brookfield's (1987) five-phase model of critical thinking identifies Trigger Event, Appraisal, Exploration,
Developing Alternative Perspectives, and Integration as the phases in a pattern of CT. The initial phase,
Trigger Event is described as an unforeseen event that results in feelings of "inner discomfort and
perplexity" (p. 26). Appraisal is the second phase in Brookfield's model, and includes taking a closer look
at the specific nature of the situation, including identification and clarification of the problem, in addition
to "self-examination", and "...looking for those confronting a similar contradiction" (p. 26).
Seeking resolution to conflict or uneasiness in one's life, individuals may engage in the next phase of
Exploration. According to Brookfield, "during this phase we test out new ways of thinking and acting that
seem more congruent with our perceptions of what is happening in our lives" (p. 26). A process of
Developing Alternative Perspectives follows exploration, and involves a shift in thinking that allows an
individual a sense of comfort, or resolution to the trigger event (whether positive or negative). This may
include a complete transition or a modification of old views or behaviours.
Integration results from decisions about alternative perspectives and their value to one's present situation.
Brookfield notes Integration may be a particular action that includes visible efforts to change our
behaviours in regard to others, our own actions, or in the workplace. Integration may also involve internal
reformation involving a change or shift in the way we think about our own thoughts or actions.
Model 2: Norris and Ennis (1989)
Norris and Ennis (1989) describe the process of CT using a five phase model, or, in their terms, a series of
abilities. The authors begin with Elementary Clarification, an ability that involves focusing on a particular
problem or issue, and attaining a general level of clarification for the problem. Basic Support, while
presented as the second ability in their model for evaluating CT, is actually positioned as, "the starting
point of critical thinking, which consists of information from others and observation, previously accepted
conclusions, and background knowledge" (p. 7). Also included in Basic Support is the ability to make
judgements as to the credibility of a source, and the ability to make and judge observations.
Inference is the middle phase, or ability outlined, and requires facilities for making and judging inferences.
This includes making and judging deductions through the use of logic and interpretation, making and
judging inductions through generalisations, explanations, hypotheses, and investigation, and making and
judging value judgements, an ability which requires thinking about the relevance of background
information, alternative hypotheses, and consideration of the consequences of a decision.
Advanced Clarification, the penultimate phase or ability in this model, necessitates certain skills as
described by the authors: "Advanced clarification abilities are used to provide and evaluate definitions of
terms and in identifying assumptions that are left implicit in lines of reasoning" (p. 11). The fifth and
ultimate ability concerns the employment of Strategies and Tactics, a process that includes interaction
with others, the ability to clearly define the problem, judge solutions, generate alternative solutions, and
engage in other cognitive and metacognitive activities, and deciding on an appropriate action.
Model 3: Bullen (1998)
Bullen's (1998) four phase model of CT includes what the author refers to as skills, including
Clarification, Assessing Evidence, Making and Judging Inferences, and Using Appropriate Strategies and
Tactics. Bullen's initial Clarification skill indicates an attempt to arrive at a basic understanding of
multiple views on an issue, and, "the attempt to appraise and understand the exact nature of the problem,
issue, or dilemma" (p. 6). Positive indication of Clarification requires the learner to focus on a question,
analyse arguments, ask and answer questions, and further define and judge key terms and definitions.
The second skill of Assessing Evidence involves making decisions about the credibility of sources and
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observations. Judging credibility requires the application of appropriate criteria such as the reputation of
the source, congruence with other sources, and the general ability to correctly assess the source before
making one's own decisions or assertions. Making observations, and judging those observations is integral
in the demonstration of the skill Assessing Evidence.
The third, and penultimate skill of Making and Judging Inferences is dependent on the previous skill,
which allows the assessment of evidence to be used in making inferences. The emphasis of this skill lies in
the ability of the learner to make valid inferences, and to make and judge the inferences made by others.
Some positive indicators include making and judging deductions through the use of logic, making and
judging induction through generalising, hypothesising, and investigating, and making and judging value
judgements. Bullen's fourth and ultimate skill, Using Appropriate Strategies and Tactics, may include
using strategies to further clarify, or simplify a problem, organising arguments for both sides of an issue,
consulting with others as a "reality check" (Bullen, 1997, p. 115), and revisiting conclusions to ensure
satisfaction with a final response.
Model 4: Garrison, Anderson, and Archer (2001)
Garrison, Anderson, and Archer (2001) build on their "Community of Inquiry" model that specifies three
types of presence in a community of inquiry: cognitive, social, and teaching presence. Cognitive presence
is further broken down into four phases that facilitate the location of this type of presence in a computer
conference transcript: Triggering Event, Exploration, Integration, and Resolution. The initial phase in their
model is the Triggering Event, which occurs when, "an issue, dilemma or problem is identified or
recognised that emerges from experience" (p. 8). In a computer conference or online asynchronous
discussion, the problem can be triggered by any of the participants whether they intend to or not. The
authors emphasise the importance for the instructor to monitor these triggers and to intervene if necessary,
thus directing the discussion towards "intended educational outcomes" (p. 8).
Exploration is the second phase, and is facilitated "in a community of inquiry by iteratively moving
between the private and shared worlds - that is, between critical reflection and discourse" (p. 8).
Exploration is indicated by activities such as asking questions, generating ideas, and sharing information
with others in the community. After exploring the problem, Integration involves making sense of
information. As in the previous phase, students reflect, and engage in discursive practices as a means of
determining relevance of information in relation to the particular problem or issue. The Integration phase
may not be indicated specifically in the contributions of students, so from the perspective of the teacher or
researcher, integration must be inferred from an analysis of the student's contributions. Tracking the
problem from its inception at the triggering phase may eventually lead to either a vicarious or directly
applied solution, which the authors refer to as the Resolution phase. This process of Resolution is not
intended to imply finality, and the authors maintain that in testing a solution, students may engage in this
process all over again, though the phases are not necessarily followed in order, and some may even be
skipped entirely.
Developing an instrument for analysis of critical thinking
The previous descriptions of the four models make evident common elements as well as differences in
perspectives on critical thinking. Recognition of these similarities and differences between models can
support the creation of an instrument based on a clear and valid CT construct. This section of the paper
considers these differences and similarities, and analyses and evaluates the models. The section begins
with a table synthesising the four models, and is mindful of how they conceptualise the processes
according to a varying number of phases. The following section presents the comparison in a sequential
order from initial, to second, to middle, to penultimate, and ends with the ultimate phases. These terms are
used in favour of numerical terms in order to facilitate comparison of the various models with a differing
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number of phases between them. Using numerical terms would potentially cause confusion in the
horizontal comparison of phases between the models.
Table 1: Synthesis of four models of critical thinking
Brookfield (1987) Norris & Ennis (1989) Bullen (1998)
Garrison, Anderson &
Archer (2001)
Initial
Phase
Trigger event Elementary clarification Clarification Triggering event
Recognition of, or exposure
to an unforeseen event that
results in feelings of inner
discomfort and perplexity.
Focusing on, and attaining a
general level of clarification
for the problem through
analysing arguments and a
question and answer phase.
Appraising and
understanding the nature of,
and different points of view
on the issue, dilemma, or
problem.
Identifying or recognising
an issue, dilemma or
problem from one's
experience, or articulated by
the instructor or other
learners.
Second
phase
Appraisal Basic support Assessing evidence Exploration
Appraising the situation and
engaging in self-scrutiny.
Includ-es various ways of
dealing with unexpected
events, includ-ing
identification and
clarification of concerns,
and seeking others facing
similar situations.
Judging sources for
credibility, and making and
judging one's own
observations. Involves using
information from others,
previously accepted
conclusions, and
background knowledge.
Judging the credibility of
sources, and assessing the
evidence in support of
inferences. Emphasises the
need to establish a strong
foundation for making
inferences.
Thinking about ideas in
both the private and social
spheres in order to make
preliminary decisions as to
what information is relevant
to the problem or issue.
Middle
phase
Exploration Inference
Seeking a means to
resolution, or ways of
explaining discrepancies
that reduce our sense of
discomfort. May encourage
a person to search for
meaning, and explore new
ways of thinking and
behaving.
Making and judging
inductive and deductive
inferences, as well as
making and judging value-
judgements. This includes
abilities for making
inductions in addition to
those required in judging
those inferences.
Penulti-
mate
Phase
Developing alternative
perspectives
Advanced clarification Making and judging
inferences
Integration
Developing new ways of
thinking and behaving that
helps one adapt to the
un-expected event. This
transition involves an
attempt to diminish
incongruencies in one's life.
Forming and defining terms,
judging and evaluating
definitions, taking the
context of definitions into
consideration, and locating
unstated and needed
assumptions in reasoning.
Inferring inductively and
deductively, and making
value judgements. Making
decisions with adequate
justification, and using
evidence to support
arguments.
Generating or constructing
meaning from the ideas in
the Exploration phase, and
integrating the relevant
information determined in
the previous phase.
Ultimate
phase
Integration Strategies and tactics Using appropriate strategies
and tactics
Resolution
Negotiating with new
perspectives to facilitate
integration of change into
one's life. Involves
integrating conflicting
feelings and ideas internally
or externally to achieve a
resolution.
Interacting with others and
deciding on an appropriate
action. Problem is defined,
possible solutions assessed
and alternative solutions
generated. Monitoring
overall situation and
decision-making process.
Using strategies or
heuristics to guide thinking
in a process of reaching a
conclusion, making a
decision, or solving a
problem effectively, and in
an orderly fashion.
Proposing a hyp-othetical
solut-ion, or applying a
solution directly to the
issue, dilemma, or problem.
Students at this phase have
clear expectations, can test
hypotheses and ideas, and
view content from a critical
perspective.
The initial phase
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The most obvious similarities between the four models can be found in the initial phase. The recognition
of an issue, problem, dilemma, question, inner discomfort, or perplexity is consistent through the four
models. Where the models differ is in their reference to the concept of trigger or triggering event, (see
Brookfield, 1987; Garrison, Anderson, & Archer 2001), and clarification (see Norris & Ennis, 1989;
Bullen, 1998). The trigger or triggering event is what gives rise to the dilemma or issue that requires
clarification. In this sense, the trigger precedes the issue or dilemma, whereas clarification follows. What
emerges from, and is retained from the initial phase of the four models, is the notion of recognition of a
problem, issue, question, etc, that must be clarified. In the context of an OAD the problem or issue could
be triggered by the instructor, or by the students.
We rejected both trigger event and clarification as terms that might be used, and instead adopted the term
Recognise as the initial phase. Recognise retains the notion of a trigger or trigger event, or recognition of a
problem, issue or dilemma, as articulated in Brookfield (1987), and Garrison, Anderson, and Archer
(2001). Because the instrument focuses on the cognitive processes involved in CT, the notion of an event
is represented here in terms of the related process of recognition of such an event (or issue, problem,
perplexity, etc). In the case of an externally imposed trigger or issue, for example, the delineation of a
problem by an instructor or another student is required to recognise the issue.
The second phase
The fundamental processes evidenced through the second phase in the four models are locating and
judging the credibility of sources and observations, (see Norris & Ennis, 1989; Bullen, 1998), and
exploring and identifying what is relevant to the problematic situation or issue (see Brookfield, 1987;
Garrison, Anderson, & Archer, 2001). A social element is also apparent in the second phase of Brookfield
(1987), who refers to seeking out others facing a similar contradiction, Norris and Ennis (1989), who
indicate using information from others, and Garrison, Anderson, and Archer (2001), who emphasise the
importance of both private and shared spaces in making preliminary decisions on the relevance of
information.
Brookfield's (1987) Appraisal also includes self scrutiny, and identification and clarification of the trigger
event, whereas Norris and Ennis' (1989) Basic Support, and Bullen's (1998) Assessing Evidence focus
more on a systematic process of using specific criteria to judge the credibility of a source. Exploration,
Garrison, Anderson, and Archer's (2001) second phase, involves an exploration of relevant information
through brainstorming, questioning, and exchanging information.
If we accept that recognition of an issue or dilemma must precede clarification, then processes from the
initial phase of Norris and Ennis (1989), and Bullen (1998) will be retained for the second phase of the
instrument. For the second phase of the instrument, we adopt the term Understand, which retains from the
various second phases the following indicators: exploration of relevant issues (Garrison, Anderson &
Archer 2001), making observations (see Norris & Ennis 1989), and seeking outside information, external
sources, and perspectives of others in order to clarify the nature of the issue or dilemma (see second phase
of the four models). In addition, we revisit congruencies between initial and second phases, thereby
adding: focusing on or clarifying what is important (see initial phase of Norris & Ennis, 1989; Bullen,
1998; second phase of Brookfield, 1987; and Garrison, Anderson & Archer, 2001), and questioning and
exchanging information (see initial phase of Norris & Ennis, 1989).
The middle phase
The processes included here are the middle phases of Brookfield (1987), and Norris and Ennis (1989). A
common element at these middle phases denotes the ability to judge one's own thinking and to explore
alternative reasoning. Specifically, Brookfield (1987) presents Exploration as a means of seeking
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resolution or new ways of thinking, a process that precedes the development of alternative perspectives.
Norris and Ennis (1989) present the ability to make and judge inferences and one's own observations in
their Inference phase, and specifically refer to the processes of logic, interpretation, generalising,
explaining and hypothesising, investigating, and considering relevance of background information,
consequences, value judgements, and possible alternatives. Making and judging inferences is described by
Norris and Ennis as "the logical step from the basic support to the final decision" (p. 7), and argue,
"Conclusions are reached through the process of inference, so the critical thinker must be able to judge the
soundness of inferences" (p. 8).
We adopt the term Analyse as the middle (or third) phase, retaining the concept of exploring new ways of
thinking and behaving from Brookfield's (1987) Exploration, and from Norris and Ennis' (1989) Inference,
the notion of making and judging inferences and value judgements. Analyse is a period of in depth
clarification whereby a learner may employ skills to judge thinking, and to bridge the processes of
understanding and evaluating through the judgement of one's own thinking. In addition to the processes
from the models, we add to this middle phase indicators such as categorising and classifying evidence,
information, knowledge, or perspectives; differentiating between various perspectives; interpreting and
explaining the problem, dilemma, or issue; and identifying and filling in gaps in knowledge or
information.
These processes serve an important function in critical thinking as a basis for the next phase, Evaluate,
through analysis, and sifting through available evidence, information, etc, as a means of engaging in
higher level, or new ways of thinking and behaving. Clearly, the additional processes are required after a
level of understanding is reached, and before one can attempt to evaluate the evidence, information, etc.
Identifying gaps in knowledge or information, and otherwise organising and analysing the evidence, etc,
serves to enhance the rigour in the forthcoming higher level process of Evaluate.
The penultimate phase
Both Brookfield's (1987) Developing Alternative Perspectives and Norris and Ennis' (1987) Advanced
Clarification indicate identifying or challenging assumptions at this phase. However, the two models differ
in that Brookfield (1987) includes adaptation to change through developing new ways of thinking and
behaving, whereas Norris and Ennis (1989) point to specific cognitive processes of defining and judging.
Bullen (1998) presents Making and Judging Inferences as the penultimate phase, citing the ability to make
and judge inferences and value judgements, as well as using evidence to support arguments, which are
akin to the processes demonstrated in Norris and Ennis' (1989) middle phase, and are included in the
middle phase in the new instrument. Garrison, Anderson and Archer's (2001) penultimate phase offers
Integration as an iterative process between reflection and discourse whereby students construct meaning,
assess the applicability and relevance of ideas, and clearly articulate the problem, issue, or dilemma at
hand.
The nature of Brookfield's (1987) Developing Alternative Perspectives, while useful as a specific indicator
of the behaviours connected with the final phase, is not retained in the penultimate phase. Instead,
generating alternative hypotheses and perspectives is included in the final phase, as supported by Norris &
Ennis' (1989) final phase. We adopted Evaluate as the penultimate phase, which takes into consideration
the abilities to define terms, judge definitions, and identify assumptions (see Norris & Ennis, 1989), and
engage in reflection and discourse to determine the relevance of information (Garrison, Anderson &
Archer, 2001). Because Bullen's (1998) four-phase model is based on the five phases of Norris and Ennis
(1989), we have included the processes of the penultimate phase of Bullen's model in the middle, rather
than the penultimate phase, to reflect the organisation of the original model. We include detecting
inconsistencies and fallacies, as well as correspondences and congruencies as specific processes related to,
but not specified in Norris and Ennis (1989) or Garrison, Anderson and Archer (2001). In addition,
retaining or rejecting evidence, information, knowledge, or perspectives is added as an extension of the
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processes outlined above. Arguably, retaining or rejecting certain evidence, information, knowledge, or
perspectives can be achieved through process of judging (Norris & Ennis, 1989), and through the process
of iteratively moving between discourse and reflection (Garrison, Anderson & Archer, 2001). However
these specific processes are made explicit in the instrument in order to facilitate its use and application by
instructors, students, or researchers.
The ultimate phase
In the ultimate phase, each model highlights the arrival at a point of resolution (Brookfield, 1987;
Garrison, Anderson & Archer, 2001), action (Norris & Ennis, 1989), solution, decision, or conclusion
(Bullen, 1998). While Brookfield's (1987) final Integration phase may be somewhat vague or general in
regard to the context of assessment in teaching and learning, the final process indicated is consistent with
other models in the resulting process of achieving a resolution or closure. Garrison et al (2001) indicate
Resolution as the final phase, and specify the inclusion of hypothetical or "vicarious" (p. 2) solutions, in
addition to the application of actual solutions. Action and resolution are also emphasised in the ultimate
phase of Bullen (1998), which indicates Using Appropriate Strategies and Tactics to reach a conclusion,
make a decision, or solve a problem effectively and systematically, and in Norris and Ennis' (1989)
Strategies and Tactics, which highlights deciding on an action and interacting with others as the two
fundamental goals of this ultimate phase.
We adopted the term Create to describe the ultimate phase, a phase encompassing the creation of
hypothetical as well as actual products or solutions. In other words, the result, or culmination of the
processes involved in CT may or may not result in an actual solution or action, rather, as Garrison et al
(2001) argue, the resolution may occur "by means of direct or vicarious action" (p. 2). In the context of an
OAD, students may be encouraged to propose solutions or resolutions in addition to discussing the
application of these solutions in a real life situation. Norris and Ennis' (1989) notion of generating
alternative hypotheses is also retained, and in keeping with Garrison et al's (2001) assertion that resolution
may be achieved either vicariously or directly, we add the specific processes of constructing, creating,
inventing, and devising new knowledge or perspectives, implementing or executing strategies, and acting
on a solution, decision, or conclusion.
The processes highlighted in the instrument are represented in Table 2, and have been assigned indicators
from the previous discussion of the five phases. For analysis purposes, indicators have been assigned a
code containing the first letter of the process along with ordered numbers according to where the
indicators appear in the instrument. These numbers have been assigned only to facilitate coding and do not
suggest a hierarchical sequence through engagement in CT.
Table 2: An instrument to support analysis of critical thinking in online asynchronous discussions
Process Descriptor Code Specific indicators
Recognise Recognising or identifying an
existent issue, dilemma, problem,
etc.
R1 Recognising, identifying, or focusing on an issue, dilemma, problem,
inner discomfort, or perplexity requiring further investigation or
clarification.
Understand Exploring related evidence,
knowledge, research, information,
and perspectives.
U1 Exploring and identifying what is relevant to the issue, dilemma,
problem, etc.
U2 Locating background information, knowledge, previously accepted
conclusions, or evidence from other sources.
U3 Locating alternate perspectives or evidence on the issue, dilemma,
problem, etc.
U4 Making observations.
U5 Clarifying or appraising the nature of the issue, dilemma, problem,
etc.
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U6 Questioning and exchanging information.
Analyse Seeking in depth clarification,
organising known information,
identifying unknown information,
and dissecting the issue, dilemma,
or problem into its fundamental
components.
A1 Engaging in new ways of thinking and behaving.
A2 Categorising and classifying evidence, information, knowledge, or
perspectives.
A3 Differentiating similarities and differences in alternate perspectives or
evidence on the issue, dilemma, problem, etc.
A4 Interpreting and explaining the issue, dilemma, problem, etc.
A5 Breaking down the problem, dilemma, issue, etc. into constituent
parts.
A6 Identifying and filling gaps in knowledge or information, and judging
one's own thinking.
Evaluate Critiquing and judging
information, knowledge, or
perspectives.
E1 Judging the validity, value, applicability, and relevance of information,
knowledge, sources.
E2 Critiquing perspectives and assumptions.
E3 Detecting inconsistencies, fallacies, as well as correspondences and
congruencies.
E4 Making and judging definitions.
E5 Using evidence to support arguments.
E6 Retaining or rejecting evidence, information, knowledge, or
perspectives.
Create Producing new knowledge,
perspectives, or strategies, and
implementing them or acting on
them.
C1 Implementing or executing strategies.
C2 Applying actual or hypothetical solutions, decisions, or conclusions.
C3 Constructing, creating, inventing, and devising new knowledge or
perspectives.
C4 Generating alternative hypotheses and perspectives.
C5 Acting on a solution, decision, or conclusion.
C6 Executing, or implementing change or a plan.
It is important to consider the instrument and its indicators as a tool or guide in the context of teaching and
learning. Not all indicators will necessarily be relevant in all contexts of discussion in an OAD. The
indicators are meant to illustrate each of the cognitive processes as a series of actual behaviours described
in operationalised terms. These indicators reflect the iterative nature of CT in that they provide various
possibilities for engagement in critical thinking at each phase, and allow room for interpretation when
identifying, measuring, or promoting CT.
Application of the instrument
This section of the paper presents the results of this application of the CT instrument for the analysis of a
transcript of an OAD. This empirical application of the instrument was intended to provide insight into the
value and practicality of the new instrument. The OAD was part of a web-based learning module designed
to support the training of pre-service French as a Second Language (FSL) teachers. Participants in a face
to face, second language methods course were invited, and volunteered to use the learning module and to
participate in the study over a one-month period in the Fall of 2003. Participants were eight FSL teachers
in training who participated in the discussion independent of an instructor or moderator. A central issue
related to difficulties using the target language in the second language classroom was presented in the
learning module as a focus for the OAD.
The instrument was applied to the analysis of the OAD using the sentence as the unit of analysis,
following Fahy's (2001) observation that, "Sentences are, after all, what conference participants produce to
convey their ideas, and are what transcripts consist of" (p. 4). Fahy also offers the caveat that units of
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analysis beyond the sentence (e.g. Henri's 1992 unit of meaning) can lead to lack of discriminant
capability in coding. In this study, the instrument was applied in the measurement of the five processes
associated with the construct of CT. One coder analysed the transcript, and the results are presented in
Table 3. The total number of messages in the transcript was 79, including messages for which no code was
assigned. There was an average of 13 sentences per message.
Table 3: Results of the application of the instrument in the analysis of critical thinking in an OAD
Process
Indicator
Code
Number of
instances
Recognise R1 0
Total 0
Understand
U1 45
U2 11
U3 7
U4 11
U5 4
U6 0
Total 78
Analyse
A1 16
A2 0
A3 0
A4 6
A5 6
A6 3
Total 31
Evaluate
E1 48
E2 8
E3 1
E4 0
E5 28
E6 9
Total 94
Create
C1 0
C2 0
C3 0
C4 1
C5 0
C6 0
Total 1
Presentation of the results
Table 3 presents results of the analysis using the instrument. The table displays the number of times
indicators were coded for in the transcript. In coding for indicators, all instances were recorded. No
messages were coded for the process Recognise, as the focal issue in the learning module was stated
explicitly at the beginning of the OAD, and participants were required to focus their discussion around this
central issue. The highest engagement was observed in the processes Understand and Evaluate, while less
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engagement was found in the process Analyse and only one instance evidenced for the process Create. Of
the 79 messages posted in the OAD, 78 instances of the process Understand were identified and 94
instances of the process Evaluate. The process Analyse was coded for in only 31 of the messages, and as
mentioned above, Create was accounted for in only one instance.
Coding at the level of the indicator resulted in identification of 45 instances whereby participants explored
and identified what was relevant to the issue (U1); 48 instances where discussants engaged in judging
information, knowledge, and sources (E1); and 28 instances of using evidence to support arguments (E5).
Eleven of the indicators included in the instrument were not coded for in the discussion as no instances
were identified.
Discussion
This section discusses the value and practicality of the instrument for use in the analysis of transcripts of
OADs. The value of the instrument relates to its usefulness and effectiveness in providing insight into the
cognitive processes related to CT in which discussants do or do not engage in the context of an OAD. The
practicality of the instrument relates to its ease of use by designers, instructors, students or researchers.
In relation to the value, in this one case of testing in one context, the instrument revealed the specific
behaviours related to CT in which participants engaged. These are represented numerically in Table 3. In
this context, we can observe from the table of results that participants engaged little in the last stage of
Create. From a designer's or instructor's perspective, such results could serve as a rationale for redesigning
the OAD to promote engagement in all processes related to CT. In this regard, more specific or focused
structuring activities or moderating might support students' engagement in all processes related to CT,
including this final activity.
We can hypothesise as well that the context and type of participants were not suited to engagement in this
final process of CT, which required acting on decisions or conclusions. Participants in this context were
teachers in training enrolled in a methods course discussing issues that they would possibly face when
they became teachers in practice. If the context had been a group of teachers in practice discussing the
issue, we might expect that they could have actually implemented in their classes solutions or strategies
proposed in the discussion and then reported on their experiences as part of the final process. Similarly,
high levels of participation in Understand and Evaluate are representative of participants' focus on
exploring known and existing information, judging information, and often drawing on supporting evidence
in making claims. The lower representation from Analyse, like the process Create, can serve to inform
designers or instructors of the need to modify the OAD, or provide more support for students.
In terms of the instruments' practicality and effectiveness, results revealed that coding at the level of the
indicator and sentence is time consuming and cumbersome. The analysis used the sentence as the unit of
coding. Given 79 messages with an average of 13 sentences per message, which could each be coded with
any of 25 codes, the task was formidable. A more practical approach might be to code using a different
unit, for example the message. Another approach would be to code at the level of the process, using the
indicator as a guide only. If the approach were to code each message into one process only, the time and
labour involved would be significantly reduced. Depending on the detail required in the results, this
approach might be feasible. As well, use of Ethnograph or other types of analysis software might facilitate
coding at the level of the sentence and indicator.
The practicality of the instrument can also be considered in relation to its capability to discriminate
between behaviours. The clustering of codes into three primary indicators exploring and identifying what
is relevant to the issue (U1), judging the validity, value, applicability, and relevance of information,
knowledge, sources, etc (E1), and using evidence to support arguments (E5), suggests a potential lack of
mutual exclusivity between indicators. In addition, coding posed challenges because of ambiguous
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indicators such as making observations (U4). While useful for a theoretical model, such as Norris and
Ennis' (1989), the indicator making observations may be too vague for an instrument that purports to
measure CT. The indicator questioning and exchanging information (U6) demonstrates an example of lack
of mutual exclusivity within an indicator as it contains two distinct activities, questioning and exchanging
information. The nature of the OAD necessarily implies that participants exchange information, and
questioning and exchanging represent two separate acts. In addition, some overlap appears to exist
between the indicators interpreting and explaining the issue (A4), and breaking down the issue into its
constituent parts (A5).
In addition to the first indicator, nine indicators were not coded for in the OAD. This suggests that these
indicators might be superfluous or unessential to the CT construct. However use of the instrument in other
contexts would be required to make such a determination. Making and judging definitions (E4) was not
evident in the OAD, and therefore use of the instrument in other contexts would help determine if this
indicator is irrelevant to the construct of CT. However, indicators such as categorising and classifying
evidence, information, knowledge or perspectives (A2); and differentiating similarities and differences in
alternate perspectives or evidence on the issue, dilemma, problem, etc (A3), which appear relevant to this
context, were not found in the OAD either, suggesting that the instrument should be applied with different
participants for the purpose of determining its construct relevance.
Conclusion
The instrument of CT proposed in this paper is designed to be of use specifically with individuals
interested in identifying, measuring, and promoting CT in an online asynchronous discussion in a context
of teaching and learning. This section of the paper discusses how instructors, students, or researchers
might rely on the instrument for purposes of designing, moderating, assessing, guiding, or investigating
critical thinking in an OAD.
Instructors interested in promoting CT in their teaching and learning can rely on the instrument to support
the design of an OAD for such purposes. In this regard, the instrument can be used to provide them with
guidance in the selection of the types of activities, formats of questions, and instructions provided to
students. As moderators of OADs, instructors can use the instrument to direct their own interventions to
ensure that these actively and directly promote CT. In terms of assessment, instructors can informally rely
on the descriptions of processes and their indicators as benchmarks against which to compare students'
contributions to the discussion. On a more formal level, instructors can rely on the instrument to develop
rubrics for the assessment and measurement of engagement in CT. The creation of these rubrics would
require the assignment of a number or percentage scale to the various processes and/ or indicators.
Students as well as instructors can rely on the instrument in order to promote and monitor their own
engagement in critical thinking and to enhance their participation in OADs. They can be directed or
guided by the instructor or by the course design to be aware of the types of processes in which they can
engage while participating in a discussion. The instrument can serve for them as a guide or example of
best practices towards which they might aim. In this sense, the instrument provides them with a
breakdown and listing of the various types of thinking activities in which they might engage. Providing
them with the list of processes and their indicators related to CT could help them to move beyond
engagement in lower level thinking processes such as mere description, or identification.
In terms of research, the instrument could benefit from application in a variety of contexts. The instrument
was derived from a conceptual framework that supported clarification and validation of the construct.
However, empirical testing in a variety of contexts can further validate the construct and its representation
in the instrument. In addition, the process followed to develop the instrument could be used to develop
instruments for the analysis of transcripts for other cognitive processes, such as knowledge construction.
Issues of practicality require further investigation in order to make the instrument easily usable by
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instructors or students.
Acknowledgments
This project was funded by a grant from the Social Sciences and Humanities Research Council of Canada
(SSHRC). Thank you to Research Assistant Jennifer Wicks who assisted with the research and contributed
to the writing of this paper.
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Author: Dr Elizabeth Murphy is an Assistant Professor of Educational Technology and Second-Language
Education in the Faculty of Education, Memorial University of Newfoundland, Canada. Her research interests lie
in the use of online discussions in the context of learning and in the design of online learning experiences that
reflect a socio-constructivist perspective.
Dr E. Murphy, Faculty of Education, Memorial University, St. John's, NL, Canada A1B 3X8
Tel: +709 737 7634 Fax: +709 737-2345 Email: emurphy@mun.ca Web: http://www.ucs.mun.ca/~emurphy/
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Please cite as: Murphy, E. (2004). An instrument to support thinking critically about critical thinking in online
asynchronous discussions. Australasian Journal of Educational Technology, 20(3), 295-315.
http://www.ascilite.org.au/ajet/ajet20/murphy.html
[ AJET 20 ] [ AJET home ]
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Created 12 Oct 2004. Last revised 1 Dec 2004.
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