A disadvantage of the two-group design is that it
A)provides limited information about the effect of the independent variable
B)is complicated.
C)maximizes the differences between the groups.
D)requires the use of regression analyses to analyze the data.

Question

Quizplus · Accepted Answer

The two-group design only compares two groups, so it provides limited information about the effect of the independent variable. Other designs, such as multiple-group designs, allow for comparisons between more than two groups and can provide more information about the effects of the independent variable.

A Disadvantage of the Two-Group Design Is That It