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GATE 2026 XH5 (Psychology) – Question 40

Research Methods and Statistics · Designing Research: Research problems, purpose statement, variables and operational definitions, hypothesis, sampling · 1 mark · Multiple choice

A simple random sampling is one that satisfies:

Condition A: Each member of the population has an equal chance of being selected.

Condition B: Selection of every possible combination of desired number of members is equally likely.

Condition C: Selection of a sample is based on pre-decided criteria.

  1. Condition A and Condition C
  2. Condition C and Condition B
  3. Condition B and Condition A
  4. Only Condition A

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Show answer and explanation

Correct answer: (C) Condition B and Condition A

Explanation

In simple random sampling every member has the same chance of being chosen (A) and every possible sample of the required size is equally likely (B). Choosing by pre-decided criteria (C) is purposive sampling, not random sampling. So A and B hold.