Suppose you are interested in how participants perform under different temperature conditions.You randomly select 30 participants and randomly assign them to work in one of three rooms.The rooms differ only with respect to temperature.You instruct all participants to solve the same jigsaw puzzle,and then you measure how long it takes each one to finish.This research is an example of
A)a correlational study.
B)population measurement.
C)an experimental study.
D)the use of descriptive statistics.

Question

Quizplus · Accepted Answer

The research is an experimental study because the participants are randomly assigned to different temperature conditions, and their performance is measured after they complete the same task. The researcher is manipulating the independent variable (temperature) to observe its effects on the dependent variable (time to complete the puzzle).

Suppose You Are Interested in How Participants Perform Under Different