The GATE Grind

GATE 2025 XH5 (Psychology) – Question 30

Research Methods and Statistics · Nature of Quantitative and Qualitative Research: Interview, survey, observation, experiment, quasi-experiment, field studies, focus groups, narratives, case studies, ethnography · 1 mark · Multiple choice

An experimental set-up where neither the experimenter nor the participants know who are in the experimental or control groups is known as?

  1. Random experimentation
  2. Blind experimentation
  3. Single blind study
  4. Double blind study

Practise this question in The GATE Grind →

Show answer and explanation

Correct answer: (D) Double blind study

Explanation

When both the participants and the experimenter are kept unaware of who is in which group, the study is double blind. In a single-blind study only the participants are unaware.