mdcat logical reasoning MCQ #566

A researcher claims that a new method is more effective than an existing method, based on the results of a study. What is the main weakness of this argument?

mdcat logical reasoning MCQ #566

  1. Question 1

    Q1. A researcher claims that a new method is more effective than an existing method, based on the results of a study. What is the main weakness of this argument?

    • A) The study was not peer-reviewed
    • B) The sample size was too small
    • C) The study did not control for confounding variables
    • D) The results were not replicated

    Answer: The study did not control for confounding variables

    Explanation: Failure to control for confounding variables can lead to flawed conclusions. USAT, HAT and MDCAT analytical sections repeat this pattern.