Which of the following statements is true when considering experimental versus non-experimental designs?
A) It is difficult in descriptive studies to establish the prior equivalence of the respondent groups with respect to both the independent and dependent variables.However,experiments can establish this equivalence.
B) In descriptive research,it is also difficult to establish time order of occurrence of variables.However,in an experiment,the researcher controls the timing of the measurements and the introduction of the treatment.
C) Descriptive research offers little control over other possible causal factors.
D) All of the above statements are correct.

Question

Quizplus · Accepted Answer

All of the statements are correct. Experimental designs offer the advantage of establishing prior equivalence of respondent groups with respect to both independent and dependent variables, control over the timing of measurements and treatment introduction, and greater control over other possible causal factors. Descriptive research, on the other hand, lacks these advantages.

Which of the Following Statements Is True When Considering Experimental