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Introduction to Psychology
What is Psychology?
The scientific study of behavior and mental
processes and how they are affected by an
organism’s physical, state, mental state, and
external environment.
What is Psychology?
The scientific study of behavior and mental
processes and how they are affected by an
organism’s physical, state, mental state, and
external environment.
• Scientific study requires several things:
1. Theoretical framework
2. Testable Hypotheses
3. Empirical evidence
What is Psychology?
The scientific study of behavior and mental
processes and how they are affected by an
organism’s physical, state, mental state, and
external environment.
• Behavior and mental processes include overt,
observable instances but also include subtle
kinds of instances, like brain activity.
What is Psychology?
The scientific study of behavior and mental
processes and how they are affected by an
organism’s physical, state, mental state, and
external environment.
• Humans and may other creatures included in
the scientific study of behavior and mental
processes
What is Psychology?
The scientific study of behavior and mental
processes and how they are affected by an
organism’s physical state, mental state, and
external environment.
• Physical state relates primarily to the
organism’s biology - most especially the state
of the brain and central nervous system
What is Psychology?
The scientific study of behavior and mental
processes and how they are affected by an
organism’s physical state, mental state, and
external environment.
• Mental state does not have to be conscious -
can study mental states in many creatures
without their conscious awareness - and can
be studied in terms of brain activity.
What is Psychology?
The scientific study of behavior and mental
processes and how they are affected by an
organism’s physical state, mental state, and
external environment.
• All organisms function in an environment that
is constantly presenting them with problems
and challenges that must be solved.
What is Psychology?
The scientific study of behavior and mental
processes and how they are affected by an
organism’s physical state, mental state, and
external environment.
• Most people think of psychology as the study
of differences between people, but it also
includes the study of similarities between
people.
HISTORY OF PSYCHOLOGY
Unit-1-Introduction to Psychology  Scope
www.whatispsychology.biz
1. STRUCTURALISM:
 In 1879, Wilhelm Wundt
established the first
“psychological” laboratory in
Germany. He is widely viewed as
the founder of psychology.
 He attempted to uncover the
structure of consciousness by
breaking down mental processes
into their most basic components.
 This was done through a process
called introspection.
 Wundt’s approach became known
as structuralism.
www.whatispsychology.biz
FUNCTIONALISM
 William James argued that
consciousness cannot be
broken down into elements.
 He was concerned with
ongoing conscious
experience and the
functions of mental
processes.
 His views gave rise to
another branch of
psychology - functionalism
www.whatispsychology.biz
BEHAVIOURISM
 Behaviourists held the
view that only overt
behaviour can be studied
scientifically.
 They advocated the use of
strict experimental
procedures in psychology.
 Supported by B. F.
Skinner, Ivan Pavlov and
John B. Watson
John B. Watson
www.whatispsychology.biz
GESTALT PSYCHOLOGY
 Gestalt psychology –
founded by Max Wertheimer
 Focused on studying mental
processes and behaviours
as ‘wholes’ rather than
trying to separate them into
discrete functions or parts.
 Held the view that “the
whole is greater than the
sum of its parts.”
www.whatispsychology.biz
PSYCHOANALYSIS
 While other theorists tried to
explain varying aspects of
conscious experience,
Sigmund Freud argued for
the role of the unconscious
and other internal processes
in human behaviour and
mental disorders.
 His work formed the
foundation of psychoanalytic
theory
www.whatispsychology.biz
HUMANISTIC PSYCHOLOGY
 Humanistic psychologists
argued that humans are
not helplessly controlled
by unconscious or
environmental forces – we
have free will, goals,
aspirations, and other
positive motives which
should be studied.
 Influenced by Carl Rogers.
PERSPECTIVES OF PSYCHOLOGY
1. BIOLOGICAL:
 Scientific study of
the biological bases
of behavior and
mental states, very
closely related to
neuroscience.
THE PSYCHOANALYTIC PERSPECTIVE:
 originated with the work of
Sigmund Freud.
 This perspective
emphasizes the role of the
unconscious mind, early
childhood experiences, and
interpersonal relationships
to explain human behavior
and to treat people
suffering from mental
illnesses.
3. Behavioral Perspective:
Behavioral psychology is a perspective that
focuses on learned behaviors. Today, the
behavioral perspective is still concerned with
how behaviors are learned and reinforced.
 John Watson founded behaviorism in the
early 1900's. Watson emphasized the
scientific study of observable behaviors
rather then the study of subjective mental
process.
4. Humanistic Perspective:
During the 1950s, a
school of thought
known as
humanistic psychology
emerged. Influenced
greatly by the work of
prominent humanists
such as Carl Rogers
and Abraham Maslow,
this perspective
emphasizes the role
of motivation on
thought and behavior.
5.
. COGNITIVE PERSPECTIVE:
During the 1960s, a new perspective known as
cognitive psychology began to take hold. This
area of psychology focuses on mental
processes such as memory, thinking, problem
solving, language and decision-making
PERSPECTIVES – SUMMARY
FIELDS OF PSYCHOLOGY
1. Experimental Psychology:
a general title applied to a variety of
psychologists who are trained in designing
and conducting research in specific basic
areas like learning, sensation and perception,
human performance, and motivation and
emotion. A research oriented doctoral degree
(Ph.D.) is usually needed.
2. Biopsychology:
Take a comparative and ontogenetic
perspective in the experimental analysis of
basic psychological processes as they relate
to the many ways in which animal species
adapt, survive, reproduce and evolve.
3. Developmental Psychology:
Concerned with growth and development
from conception till death. All aspects of the
animal or human organism (physiological,
biological, physical, cognitive, emotional,
social, cultural) may be studied.
4. Social Psychology:
study the ways in which the social context
affects the behavior of the individual and
groups in the real world and the laboratory.
Social psychologists focus on topics such as
social roles, attitude formation and change,
affiliation, interpersonal attraction and
interaction, conformity, and group
processes.
5. Industrial / Organizational Psychologists:
are concerned with the relation between individuals and
work. They are employed in business and industry, in
government, and in colleges and universities, and may
perform a variety of jobs. An industrial/organizational
psychologist working in industry may study how work is
organized; suggest changes to improve the satisfaction of
employees, the quality of the organization's services, and
productivity; consult with management on the development
of effective training programs for employees; design
programs for the early identification of management
potential; administer career counseling and pre retirement
counseling programs; develop affirmative action programs;
recommend changes in job definition; design a system of
performance evaluation.
6. Educational Psychologists:
are concerned with a range of activities from initial
design through development and evaluation of both
materials and procedures for education and
training. Such positions exist in public schools, in
the military, in private research and development
companies, and in industrial concerns. They may
deal with analyzing education and training needs,
with developing materials for instruction in various
media, with designing the best conditions for
instruction, and with evaluating the effectiveness of
instructional programs.
7. Clinical Psychologists:
are concerned with the diagnosis and treatment of psychological
disturbances. After graduate preparation in an accredited
university or school of professional psychology, supervised
postdoctoral experience, and licensure or certification by the state,
some clinical psychologists enter independent practice/consulting
roles. Others find themselves responsible for a complete range of
psychological services in public settings. Their responsibilities
range from administering and scoring psychological tests, to
engaging in therapy, to supervising the training of graduate
students in the delivery of mental health services, to administering
a community mental health program. Some clinical psychologists
obtain faculty positions in a college or university where they
perform research and train graduate students. Others serve as
adjunct (or part-time) faculty, while maintaining independent
clinical practices. Many serve as consultants.
8. Counseling Psychologists:
are concerned with counseling, teaching, consulting
research, and/or administration. In their work, they
are particularly concerned with the role of
education and work in an individual's functioning,
and with the interaction between individuals and
the environments in which they live. Typically,
counseling psychologists work with normal or
moderately maladjusted persons, individually or in
groups. This work includes use of traditional
counseling interview methods, interest, ability and
personality tests, and educational and
occupational information.
9. Cross-cultural psychology
Is a branch of psychology that looks at how cultural
factors influence human behavior. Learn more
about what cross-cultural psychology is and who
should study it.
10. Forensic Psychology:
It is defined as an intersection between psychology
and the criminal justice system. It is applied to the
criminal justice system to evaluate
the psychology of the defendants.
11. Environmental psychology:
is an interdisciplinary field focused on the
interplay between humans and their
surroundings. The field defines the term
environment very broadly including all that is
natural on the planet as well as social
settings, built environments, learning
environments and informational
environments.
METHODS
OF
PSYCHOLOGY
1. CASE HISTORY:
An in-depth study of one person. In a case
study, nearly every aspect of the subject’s
life and history is analyzed to seek patterns
and causes for behavior. The hope is that
learning gained from studying one case can
be generalized to many others.
Unfortunately, case studies tend to be highly
subjective and it is difficult to generalize
results to a larger population.
2. NATURALISTIC OBSERVATION:
Naturalistic observation is a method of
observation, commonly used by
psychologists, behavioral scientists and
social scientists, that involves observing
subjects in their natural habitats.
Researchers take great care in avoiding
making interferences with the behavior they
are observing by using unobtrusive methods.
Objectively, studying events as they occur
naturally, without intervention.
3. SURVEY METHOD:
Survey is a method of scientific investigation
in which a large sample of people answer
questions about their attitudes or behavior.
Unit-1-Introduction to Psychology  Scope
4. EXPERIMENTAL METHOD:
The experimental method involves manipulating
one variable to determine if changes in one
variable cause changes in another variable. This
method relies on controlled methods, random
assignment and the manipulation of variables to
test a hypothesis.
An experiment is a study of cause and effect. It
differs from non-experimental methods in that it
involves the deliberate manipulation of one
variable, while trying to keep all other variables
constant.
 Parts of a Simple Experiment:
 The experimental hypothesis: a statement that predicts that the treatment will
cause an effect. The experimental hypothesis will always be phrased as a cause-
and-effect statement.
 The independent variable: the treatment variable that is manipulated by the
experimenter.
(stimulus)
 The dependent variable: the response that the experimenter is measuring.
(response)
 The control group: made up of individuals who are randomly assigned to a group
but do not receive the treatment. The measures takes from the control group are
then compared to those in the experimental group to determine if the treatment
had an effect.
 The experimental group: made up of individuals who are randomly assigned to
the group and then receive the treatment. The scores of these participants are
compared to those in the control group to determine if the treatment had an
effect.
For example:
 Hypothesis: an aspirin a day reduces the likelihood of a
heart attack.
 Independent variable: Aspirin
 Dependent Variable: the number of heart attacks.
 The experimental group: would take an aspirin each day
 The control group: would take a placebo, such as a sugar
pill, that resembles an aspirin but has none of the effects
attributed to aspirin.
 After a few months or years of pill-taking, the number of
heart attacks would be measured as the dependent
variable. If the aspirin-takers (experimental group) had a
significantly smaller number of heart attacks than the
placebo-takers (control group), then the research
hypothesis (aspirin-taking reduces heart attacks) would
be supported.
5. CORRELATION:
 Correlation studies are used to look for relationships
between variables. There are three possible results of a
co relational study: a positive correlation, a negative
correlation, and no correlation. The correlation coefficient
is a measure of correlation strength and can range from
–1.00 to +1.00.
 Positive Correlations: Both variables increase or decrease
at the same time. A correlation coefficient close to +1.00
indicates a strong positive correlation.
 Negative Correlations: Indicates that as the amount of
one variable increases, the other decreases (and vice
versa). A correlation coefficient close to -1.00 indicates a
strong negative correlation.

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Unit-1-Introduction to Psychology Scope

  • 2. What is Psychology? The scientific study of behavior and mental processes and how they are affected by an organism’s physical, state, mental state, and external environment.
  • 3. What is Psychology? The scientific study of behavior and mental processes and how they are affected by an organism’s physical, state, mental state, and external environment. • Scientific study requires several things: 1. Theoretical framework 2. Testable Hypotheses 3. Empirical evidence
  • 4. What is Psychology? The scientific study of behavior and mental processes and how they are affected by an organism’s physical, state, mental state, and external environment. • Behavior and mental processes include overt, observable instances but also include subtle kinds of instances, like brain activity.
  • 5. What is Psychology? The scientific study of behavior and mental processes and how they are affected by an organism’s physical, state, mental state, and external environment. • Humans and may other creatures included in the scientific study of behavior and mental processes
  • 6. What is Psychology? The scientific study of behavior and mental processes and how they are affected by an organism’s physical state, mental state, and external environment. • Physical state relates primarily to the organism’s biology - most especially the state of the brain and central nervous system
  • 7. What is Psychology? The scientific study of behavior and mental processes and how they are affected by an organism’s physical state, mental state, and external environment. • Mental state does not have to be conscious - can study mental states in many creatures without their conscious awareness - and can be studied in terms of brain activity.
  • 8. What is Psychology? The scientific study of behavior and mental processes and how they are affected by an organism’s physical state, mental state, and external environment. • All organisms function in an environment that is constantly presenting them with problems and challenges that must be solved.
  • 9. What is Psychology? The scientific study of behavior and mental processes and how they are affected by an organism’s physical state, mental state, and external environment. • Most people think of psychology as the study of differences between people, but it also includes the study of similarities between people.
  • 12. www.whatispsychology.biz 1. STRUCTURALISM:  In 1879, Wilhelm Wundt established the first “psychological” laboratory in Germany. He is widely viewed as the founder of psychology.  He attempted to uncover the structure of consciousness by breaking down mental processes into their most basic components.  This was done through a process called introspection.  Wundt’s approach became known as structuralism.
  • 13. www.whatispsychology.biz FUNCTIONALISM  William James argued that consciousness cannot be broken down into elements.  He was concerned with ongoing conscious experience and the functions of mental processes.  His views gave rise to another branch of psychology - functionalism
  • 14. www.whatispsychology.biz BEHAVIOURISM  Behaviourists held the view that only overt behaviour can be studied scientifically.  They advocated the use of strict experimental procedures in psychology.  Supported by B. F. Skinner, Ivan Pavlov and John B. Watson John B. Watson
  • 15. www.whatispsychology.biz GESTALT PSYCHOLOGY  Gestalt psychology – founded by Max Wertheimer  Focused on studying mental processes and behaviours as ‘wholes’ rather than trying to separate them into discrete functions or parts.  Held the view that “the whole is greater than the sum of its parts.”
  • 16. www.whatispsychology.biz PSYCHOANALYSIS  While other theorists tried to explain varying aspects of conscious experience, Sigmund Freud argued for the role of the unconscious and other internal processes in human behaviour and mental disorders.  His work formed the foundation of psychoanalytic theory
  • 17. www.whatispsychology.biz HUMANISTIC PSYCHOLOGY  Humanistic psychologists argued that humans are not helplessly controlled by unconscious or environmental forces – we have free will, goals, aspirations, and other positive motives which should be studied.  Influenced by Carl Rogers.
  • 19. 1. BIOLOGICAL:  Scientific study of the biological bases of behavior and mental states, very closely related to neuroscience.
  • 20. THE PSYCHOANALYTIC PERSPECTIVE:  originated with the work of Sigmund Freud.  This perspective emphasizes the role of the unconscious mind, early childhood experiences, and interpersonal relationships to explain human behavior and to treat people suffering from mental illnesses.
  • 21. 3. Behavioral Perspective: Behavioral psychology is a perspective that focuses on learned behaviors. Today, the behavioral perspective is still concerned with how behaviors are learned and reinforced.  John Watson founded behaviorism in the early 1900's. Watson emphasized the scientific study of observable behaviors rather then the study of subjective mental process.
  • 22. 4. Humanistic Perspective: During the 1950s, a school of thought known as humanistic psychology emerged. Influenced greatly by the work of prominent humanists such as Carl Rogers and Abraham Maslow, this perspective emphasizes the role of motivation on thought and behavior. 5.
  • 23. . COGNITIVE PERSPECTIVE: During the 1960s, a new perspective known as cognitive psychology began to take hold. This area of psychology focuses on mental processes such as memory, thinking, problem solving, language and decision-making
  • 25. FIELDS OF PSYCHOLOGY 1. Experimental Psychology: a general title applied to a variety of psychologists who are trained in designing and conducting research in specific basic areas like learning, sensation and perception, human performance, and motivation and emotion. A research oriented doctoral degree (Ph.D.) is usually needed.
  • 26. 2. Biopsychology: Take a comparative and ontogenetic perspective in the experimental analysis of basic psychological processes as they relate to the many ways in which animal species adapt, survive, reproduce and evolve.
  • 27. 3. Developmental Psychology: Concerned with growth and development from conception till death. All aspects of the animal or human organism (physiological, biological, physical, cognitive, emotional, social, cultural) may be studied.
  • 28. 4. Social Psychology: study the ways in which the social context affects the behavior of the individual and groups in the real world and the laboratory. Social psychologists focus on topics such as social roles, attitude formation and change, affiliation, interpersonal attraction and interaction, conformity, and group processes.
  • 29. 5. Industrial / Organizational Psychologists: are concerned with the relation between individuals and work. They are employed in business and industry, in government, and in colleges and universities, and may perform a variety of jobs. An industrial/organizational psychologist working in industry may study how work is organized; suggest changes to improve the satisfaction of employees, the quality of the organization's services, and productivity; consult with management on the development of effective training programs for employees; design programs for the early identification of management potential; administer career counseling and pre retirement counseling programs; develop affirmative action programs; recommend changes in job definition; design a system of performance evaluation.
  • 30. 6. Educational Psychologists: are concerned with a range of activities from initial design through development and evaluation of both materials and procedures for education and training. Such positions exist in public schools, in the military, in private research and development companies, and in industrial concerns. They may deal with analyzing education and training needs, with developing materials for instruction in various media, with designing the best conditions for instruction, and with evaluating the effectiveness of instructional programs.
  • 31. 7. Clinical Psychologists: are concerned with the diagnosis and treatment of psychological disturbances. After graduate preparation in an accredited university or school of professional psychology, supervised postdoctoral experience, and licensure or certification by the state, some clinical psychologists enter independent practice/consulting roles. Others find themselves responsible for a complete range of psychological services in public settings. Their responsibilities range from administering and scoring psychological tests, to engaging in therapy, to supervising the training of graduate students in the delivery of mental health services, to administering a community mental health program. Some clinical psychologists obtain faculty positions in a college or university where they perform research and train graduate students. Others serve as adjunct (or part-time) faculty, while maintaining independent clinical practices. Many serve as consultants.
  • 32. 8. Counseling Psychologists: are concerned with counseling, teaching, consulting research, and/or administration. In their work, they are particularly concerned with the role of education and work in an individual's functioning, and with the interaction between individuals and the environments in which they live. Typically, counseling psychologists work with normal or moderately maladjusted persons, individually or in groups. This work includes use of traditional counseling interview methods, interest, ability and personality tests, and educational and occupational information.
  • 33. 9. Cross-cultural psychology Is a branch of psychology that looks at how cultural factors influence human behavior. Learn more about what cross-cultural psychology is and who should study it. 10. Forensic Psychology: It is defined as an intersection between psychology and the criminal justice system. It is applied to the criminal justice system to evaluate the psychology of the defendants.
  • 34. 11. Environmental psychology: is an interdisciplinary field focused on the interplay between humans and their surroundings. The field defines the term environment very broadly including all that is natural on the planet as well as social settings, built environments, learning environments and informational environments.
  • 36. 1. CASE HISTORY: An in-depth study of one person. In a case study, nearly every aspect of the subject’s life and history is analyzed to seek patterns and causes for behavior. The hope is that learning gained from studying one case can be generalized to many others. Unfortunately, case studies tend to be highly subjective and it is difficult to generalize results to a larger population.
  • 37. 2. NATURALISTIC OBSERVATION: Naturalistic observation is a method of observation, commonly used by psychologists, behavioral scientists and social scientists, that involves observing subjects in their natural habitats. Researchers take great care in avoiding making interferences with the behavior they are observing by using unobtrusive methods. Objectively, studying events as they occur naturally, without intervention.
  • 38. 3. SURVEY METHOD: Survey is a method of scientific investigation in which a large sample of people answer questions about their attitudes or behavior.
  • 40. 4. EXPERIMENTAL METHOD: The experimental method involves manipulating one variable to determine if changes in one variable cause changes in another variable. This method relies on controlled methods, random assignment and the manipulation of variables to test a hypothesis. An experiment is a study of cause and effect. It differs from non-experimental methods in that it involves the deliberate manipulation of one variable, while trying to keep all other variables constant.
  • 41.  Parts of a Simple Experiment:  The experimental hypothesis: a statement that predicts that the treatment will cause an effect. The experimental hypothesis will always be phrased as a cause- and-effect statement.  The independent variable: the treatment variable that is manipulated by the experimenter. (stimulus)  The dependent variable: the response that the experimenter is measuring. (response)  The control group: made up of individuals who are randomly assigned to a group but do not receive the treatment. The measures takes from the control group are then compared to those in the experimental group to determine if the treatment had an effect.  The experimental group: made up of individuals who are randomly assigned to the group and then receive the treatment. The scores of these participants are compared to those in the control group to determine if the treatment had an effect.
  • 42. For example:  Hypothesis: an aspirin a day reduces the likelihood of a heart attack.  Independent variable: Aspirin  Dependent Variable: the number of heart attacks.  The experimental group: would take an aspirin each day  The control group: would take a placebo, such as a sugar pill, that resembles an aspirin but has none of the effects attributed to aspirin.  After a few months or years of pill-taking, the number of heart attacks would be measured as the dependent variable. If the aspirin-takers (experimental group) had a significantly smaller number of heart attacks than the placebo-takers (control group), then the research hypothesis (aspirin-taking reduces heart attacks) would be supported.
  • 43. 5. CORRELATION:  Correlation studies are used to look for relationships between variables. There are three possible results of a co relational study: a positive correlation, a negative correlation, and no correlation. The correlation coefficient is a measure of correlation strength and can range from –1.00 to +1.00.  Positive Correlations: Both variables increase or decrease at the same time. A correlation coefficient close to +1.00 indicates a strong positive correlation.  Negative Correlations: Indicates that as the amount of one variable increases, the other decreases (and vice versa). A correlation coefficient close to -1.00 indicates a strong negative correlation.