# Which of the following is true? with Answer - Psychology Mcqs | ExamZone

> Solved MCQ: Which of the following is true? Correct Answer: D. In a properly designed experiment, we can infer that an observed difference must be due to our manipulation of the independent variable. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# Which of the following is true?

Direct Answer & Quick Reference

The correct option is **D. In a properly designed experiment, we can infer that an observed difference must be due to our manipulation of the independent variable**.

A. The dependent variable is manipulated by the experimenter

B. Experimental control involves making every condition different in every respect except the treatment (I.e., the independent variable

C. In a between-subjects experiment control is typically achieved by a process of carefully assigning participants to the right conditions

D. In a properly designed experiment, we can infer that an observed difference must be due to our manipulation of the independent variable **(Correct Answer)**

Verified Key: D. In a properly designed experiment, we can infer that an observed difference must be due to our manipulation of the independent variable
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