A research design that uses a separate group of participants for each treatment condition(or for each population)is called an independent-measures research designor a____.
A)repeated-measures design
B)dependent-measures design
C)between-subjects design
D)within-subjects design

Question

A research design that uses a separate group of participants for each treatment condition(or for each population)is called an independent-measures research designor a____.​
A)​repeated-measures design
B)​dependent-measures design
C)​between-subjects design
D)​within-subjects design

Quizplus · Accepted Answer

A between-subjects design uses separate groups of participants for each treatment condition, making it an independent-measures research design. Repeated-measures designs (A) use the same participants for multiple conditions, while dependent-measures designs (B) measure the same variable multiple times for each participant. Within-subjects designs (D) use the same participants for each treatment condition, making them a type of repeated-measures design.

A Research Design That Uses a Separate Group of Participants