Twenty students in an introductory psychology class were selected by random sampling and asked to participate in an experiment to determine the effects of sunlight on sleeping patterns.What is the experimental unit/subject?
A)The 20 students
B)The entire psychology class
C)The sunlight
D)Different sleeping patterns

Question

Quizplus · Accepted Answer

The experimental unit/subject refers to the individuals or objects on which the experiment is conducted. In this case, the 20 students are the ones who were selected to participate in the experiment, so they are the experimental unit/subject.

Twenty Students in an Introductory Psychology Class Were Selected by Random