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Part 4 · Matching
Interpreting Imperfect Evidence
13 min
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Part 4 Audio•
A Study Of Museum Visitors, Researching A Closed Factory, Comparing Health Surveys, Observing Customer Service & Analysing Flood Reports— You will hear the recording twice. Complete both tasks while listening.
Exam Mode
1st Listening0:00 / 0:00
TASK ONE
What made the evidence difficult to interpret?
Athe sample changed over time
Bimportant records were missing
Cdifferent sources used different categories
Dparticipants altered their behaviour
Ethe result depended on an unusual event
Fmeasurements were taken at inconsistent times
Gpersonal accounts contradicted one another
Hthe most visible cases were untypical
Spk 1Speaker 1
21
Spk 2Speaker 2
22
Spk 3Speaker 3
23
Spk 4Speaker 4
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Spk 5Speaker 5
25
TASK TWO
How did each speaker respond?
Akept competing explanations open
Brepeated the study with a smaller group
Cseparated the data into time periods
Dadded a comparison from another place
Ereported the limit instead of correcting it
Fredefined the basis of comparison
Glooked for evidence outside the main dataset
Hasked participants to review the conclusion
Spk 1Speaker 1
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Spk 2Speaker 2
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Spk 3Speaker 3
28
Spk 4Speaker 4
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Spk 5Speaker 5
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