Certain visual illusions get weaker and weaker as we continue to stare at them.If you wanted to see whether this "illusion decrement" followed the same course for both men and women,which design and which independent variables would you use?
A) treatment ( treatment; subjects; sex and illusion type)
B) matched groups; time and illusion form
C) mixed design; sex and viewing time
D) random groups; sex and illusion type

Question

Quizplus · Accepted Answer

Mixed design is appropriate because it allows for the examination of both between-subjects variables (sex) and within-subjects variables (viewing time), which are necessary to study the effect of continuous viewing on the perception of illusions across different genders.

Certain Visual Illusions Get Weaker and Weaker as We Continue