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GATE 2024 XH5 (Psychology) – Question 32

Research Methods and Statistics · Statistics in Psychology: Central tendency and dispersion, normal probability curve, parametric and non-parametric tests, effect size and power analysis · 1 mark · Multiple choice

If a court acquits the criminal for lack of evidence and sentences the victim for 2 years of rigorous imprisonment in a case, it is an example of:

  1. Type I error only
  2. Type II error only
  3. Type I and Type II error, respectively
  4. Type II and Type I error, respectively

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Show answer and explanation

Correct answer: (D) Type II and Type I error, respectively

Explanation

Acquitting a guilty person is failing to reject a false null hypothesis (Type II error). Convicting an innocent person is rejecting a true null hypothesis (Type I error). The order here is Type II then Type I.