The text suggests that in the hypothetical SIRD stereogram study, the image could be placed in only one quadrant of the stereogram and subjects could be asked to indicate that quadrant when they reported detection. The purpose of this procedure would be to
A) allow counterbalancing.
B) prevent confounding of variables.
C) improve subjects' response times.
D) increase the validity of the independent variable.
E) increase the validity of the dependent variable.

Question

Quizplus · Accepted Answer

Placing the image in only one quadrant and asking subjects to indicate that quadrant when they report detection helps ensure that their responses are accurate reflections of their actual perception, thus increasing the validity of the dependent variable, which in this context is likely the ability to detect or perceive the image.

The Text Suggests That in the Hypothetical SIRD Stereogram Study