From a scientific perspective,the preexperimental design that provides the weakest evidence of a relationship between dependent and independent variables is the
A) posttest-only control group design.
B) Solomon four-group design.
C) pretest-only control group design.
D) classical experimental design.
E) one-shot case study

Question

Quizplus · Accepted Answer

The one-shot case study is the preexperimental design that provides the weakest evidence of a relationship between dependent and independent variables as it lacks a control group and a pretest to establish a baseline for comparison.

From a Scientific Perspective,the Preexperimental Design That Provides the Weakest