Which of the following is NOT a step in the posttest-only design?
A) Use of experimental control
B) Implementation of selection differences
C) Implementation of a manipulation
D) Use of randomization

Question

Quizplus · Accepted Answer

Implementation of selection differences is not a step in the posttest-only design. The posttest-only design involves the implementation of a manipulation, randomization of participants to treatment and control groups, and the use of experimental control to ensure that any observed differences in the groups can be attributed to the manipulation rather than extraneous variables.

Which of the Following Is NOT a Step in the Posttest-Only