Groups of subjects that are not expected to differ in any systematic way before the independent variable is presented in an experiment are called groups.
A)equal
B)equivalent
C)population
D)between-subjects

Question

Quizplus · Accepted Answer

Equivalent groups are groups that are similar before any independent variable is introduced in an experiment. This ensures that any observed differences between the groups can be attributed to the independent variable and not to pre-existing group differences. The other options are either too general (population) or too specific (between-subjects, which refers to a specific experimental design).

Groups of Subjects That Are Not Expected to Differ in Any