In the posttest-only control group design,the treatment effect (TE)is obtained by ________. A) TE= O₁ - O₂ B) TE= (O₁- O₂)- (O₃ - O₄) C) TE= O₁ D) TE= (O₂- O₁)- (O₄ - O₃)

Question

Quizplus · Accepted Answer

In the posttest-only control group design, the treatment effect is calculated by subtracting the control group's posttest score (O2) from the experimental group's posttest score (O1).

In the Posttest-Only Control Group Design,the Treatment Effect (TE)is Obtained