Match List I (Research Method) with List II (Difficulty). Choose the correct answer from the options given below:

List I

i.Case Study

ii.Correlational Research

iii.Observation

iv.Survey Research

List II

a.Respondents may distort their responses to make them socially acceptable

b.Difficulties in generalising to the population at large

c.The behaviour of the persons may change, when they are aware of the process of data collection

d.The findings show the nature of association, but not cause-and-effect relationship

Ai-c, ii-b, iii-d, iv-a

Bi-a, ii-d, iii-c, iv-b

Ci-d, ii-a, iii-b, iv-c

Di-b, ii-d, iii-c, iv-a ✓ Correct

Correct answer: (D) i-b, ii-d, iii-c, iv-a

Explanation

Case study is limited by difficulty in generalising to the wider population, matching i with b.

Correlational research shows the nature of association but not cause and effect, matching ii with d.

Observation risks that people change their behaviour when they know they are watched, matching iii with c.

Survey research faces respondents distorting answers to appear socially acceptable, matching iv with a.

Options that hand the generalisation limit to correlation or reactivity to surveys misread each method's weakness.

The change in behaviour under observation is known as the Hawthorne effect.

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