mdcat logical reasoning MCQ #396

A study claims: '90% of participants improved after treatment. Therefore, the treatment works.' What flaw exists?

mdcat logical reasoning MCQ #396

  1. Question 1

    Q1. A study claims: '90% of participants improved after treatment. Therefore, the treatment works.' What flaw exists?

    • A) Sample size too small
    • B) Lack of control group
    • C) Confirmation bias
    • D) Anecdotal evidence

    Answer: Lack of control group

    Explanation: B. Without a control group, improvement could be due to placebo. A/D are plausible but not explicitly addressed in the premise.