A study in which a participant acts as an experimental subject in part of the experiment and a control in another part of the experiment is called a ________ study.
A) double-blind
B) crossover
C) meta-analysis
D) retrospective

Question

Quizplus · Accepted Answer

A crossover study involves each participant being both an experimental subject and a control, receiving different interventions at different times. This design helps to control for individual differences and increases statistical power. Double-blind studies involve neither the participant nor the researcher knowing which intervention is being given, while retrospective studies look back at past data and meta-analyses use statistical methods to combine data from multiple studies.

A Study in Which a Participant Acts as an Experimental