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PART 4
1All use, reproduction and distribution of this work is subject to a CC-BY-NC-ND license.
As we know, Ziqitza wants
to determine if it is
reaching the poorest of the
poor. But assessing
something like “poverty”
can be challenging. Ziqitza
needs to identify a reliable
and valid set of questions,
metrics, or indicators to
quickly and accurately
judge whether it is
reaching its target
customers.
2
All use, reproduction and distribution of this work is subject to a CC-BY-NC-ND license.
3
In Ziqitza’s case, the Progress
out of Poverty Index (PPI), a
tool managed by the Grameen
Foundation, is an ideal
instrument.
If you’re not familiar with the
PPI, you might want to check
out progressoutofpoverty.org
to download a copy of your
country’s survey and watch a
view overview describing the
instrument.
All use, reproduction and distribution of this work is subject to a CC-BY-NC-ND license.
4
Ziqitza decided to have its
call center representatives
administer the PPI questions
as part of its routine
feedback calls. The PPI
questions were strategically
added to the client
satisfaction survey to ensure
that familiarity with Ziqitza
services leads to a congenial
situation in which to engage
in a longer survey.
Image Credit: Center for Health Market Innovations. All use, reproduction and distribution of this work is subject to a CC-BY-NC-ND license.
5
After the first week, each call
averaged four to five minutes.
Normal business operations and
data collection could operate in
tandem.
Ziqitza successfully implemented
the PPI, but that is not to say
that everything went perfectly.
Indeed as far as Acumen or
Grameen Foundation know, this
was the first time the PPI had
ever been administered by
phone, and unsurprisingly we
learned some important lessons
about how to conduct the
interviews in the process.
. Image Credit: Center for Health Market Innovations. All use, reproduction and distribution of this work is subject to a CC-BY-NC-ND license.
In particular, at first we found that the first
three questions were particularly prone to
error and so adjusted the script the call-
center interviewers used. This speaks to the
importance, even within Lean Data
approaches, of testing the questions you
are planning to use as thoroughly as
possible before rolling out at scale, this will
help you spot any unexpected
inconsistencies or systematic errors in the
data you aim to collect.
6Image credit: Noun Project , Mister Pixel. All use, reproduction and distribution of this work is subject to a CC-BY-NC-ND license.

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Lean Data Case Study 5

  • 1. PART 4 1All use, reproduction and distribution of this work is subject to a CC-BY-NC-ND license.
  • 2. As we know, Ziqitza wants to determine if it is reaching the poorest of the poor. But assessing something like “poverty” can be challenging. Ziqitza needs to identify a reliable and valid set of questions, metrics, or indicators to quickly and accurately judge whether it is reaching its target customers. 2 All use, reproduction and distribution of this work is subject to a CC-BY-NC-ND license.
  • 3. 3 In Ziqitza’s case, the Progress out of Poverty Index (PPI), a tool managed by the Grameen Foundation, is an ideal instrument. If you’re not familiar with the PPI, you might want to check out progressoutofpoverty.org to download a copy of your country’s survey and watch a view overview describing the instrument. All use, reproduction and distribution of this work is subject to a CC-BY-NC-ND license.
  • 4. 4 Ziqitza decided to have its call center representatives administer the PPI questions as part of its routine feedback calls. The PPI questions were strategically added to the client satisfaction survey to ensure that familiarity with Ziqitza services leads to a congenial situation in which to engage in a longer survey. Image Credit: Center for Health Market Innovations. All use, reproduction and distribution of this work is subject to a CC-BY-NC-ND license.
  • 5. 5 After the first week, each call averaged four to five minutes. Normal business operations and data collection could operate in tandem. Ziqitza successfully implemented the PPI, but that is not to say that everything went perfectly. Indeed as far as Acumen or Grameen Foundation know, this was the first time the PPI had ever been administered by phone, and unsurprisingly we learned some important lessons about how to conduct the interviews in the process. . Image Credit: Center for Health Market Innovations. All use, reproduction and distribution of this work is subject to a CC-BY-NC-ND license.
  • 6. In particular, at first we found that the first three questions were particularly prone to error and so adjusted the script the call- center interviewers used. This speaks to the importance, even within Lean Data approaches, of testing the questions you are planning to use as thoroughly as possible before rolling out at scale, this will help you spot any unexpected inconsistencies or systematic errors in the data you aim to collect. 6Image credit: Noun Project , Mister Pixel. All use, reproduction and distribution of this work is subject to a CC-BY-NC-ND license.