The weakness of static group comparison is that the researcher
A)is biased.
B)cannot know whether group differences prior to the experiment or if the independent variable caused differences in posttest outcomes.
C)cannot know whether group differences prior to the experiment or if the dependent variable caused differences in posttest outcomes.
D)is not needed.

Question

Quizplus · Accepted Answer

The weakness of static group comparison is that the researcher cannot know whether group differences prior to the experiment or if the independent variable caused differences in posttest outcomes. This is a common problem with non-experimental research designs where variables cannot be controlled. It is important for researchers to consider alternative explanations for group differences and attempt to address these limitations in their study design.

The Weakness of Static Group Comparison Is That the Researcher