Paper 1 · Research Aptitude
UGC NET June 2024 Cancelled (18.06.2024) Shift-II
Match List I (Threats to internal validity) with List II (Description) and choose the correct answer from the options given below.
List I
- Maturation threat
- Attrition threat
- History threat
- Testing threat
List II
- When participants' behaviour changes as a function of having been tested previously
- When some event outside the research project affects participants systematically
- Occurs because of short or long term changes in a participant due to psychological changes like boredom, fatigue etc.
- When participants drop out of a study, leading to a change in the nature of the sample
AI-a, II-b, III-c, IV-d
BI-c, II-d, III-b, IV-a ✓ Correct
CI-b, II-a, III-d, IV-c
DI-d, II-c, III-a, IV-b
Correct answer: (B) I-c, II-d, III-b, IV-a — The correct match is maturation with psychological changes, attrition with drop-out, history with an outside event and testing with prior testing, that is I-c, II-d, III-b, IV-a.
Explanation
★The correct match is maturation with psychological changes, attrition with drop-out, history with an outside event and testing with prior testing, that is I-c, II-d, III-b, IV-a.
★A maturation threat comes from changes in participants like boredom or fatigue.
★An attrition threat comes from participants dropping out and changing the sample.
★A history threat comes from an outside event affecting participants systematically.
★A testing threat comes from behaviour changing because of having been tested before.
★So the correct pairing is I-c, II-d, III-b, IV-a.
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