_____ is a measure that helps determine whether the manipulation effectively changed (or varied) the independent variable across conditions.
A) Experimental realism
B) Effect size
C) Manipulation check
D) Random assignment

Question

Quizplus · Accepted Answer

A manipulation check is a measure used to determine if the independent variable was effectively manipulated or varied across different conditions. It helps researchers ensure that any observed effects on the dependent variable are due to the intended manipulation, rather than extraneous factors. The other options, experimental realism, effect size, and random assignment, are related to different aspects of experimental design and analysis but do not directly assess the effectiveness of the manipulation.

_____ Is a Measure That Helps Determine Whether the Manipulation