A Solomon Four-Group Design Is ________________

Multiple Choice

A Solomon four-group design is ________________.

A) type of experimental design that considers the impact of several independent variables simultaneously
B) an experimental design that has random assignment, a control group, and a pretest and posttest for each group
C) an experimental design used to examine whether the order of sequence in which subjects receive multiple versions of the treatment has an effect
D) an experimental design in which subjects are randomly assigned to two control groups and two experimental groups