Which of the following statements regarding the nature of experiments is not true?
A) Experimental research allows the investigator to control the research situation, so that causal relationships among variables may be evaluated.
B) Experimental research allows the researcher to manipulate the extraneous variables while holding all other variables constant.
C) In experimentation, the researcher's goal is to determine whether the experimental treatment is the cause of the effect being measured.
D) Events may be controlled in an experiment to a degree not possible in a survey.

Question

Quizplus · Accepted Answer

B) is incorrect because in experimental research, the researcher manipulates the independent variables, not the extraneous variables. The goal is to control or account for extraneous variables, not manipulate them, to isolate the effect of the independent variable on the dependent variable.

Which of the Following Statements Regarding the Nature of Experiments