Which of the following is a question of internal validity in experimental research?
A) How widely can the results of the experiment be generalized?
B) Was the sample representative of the population?
C) Has maturation influenced the dependent variable?
D) Did the instruments permit valid interpretations?

Question

Quizplus · Accepted Answer

Internal validity refers to the extent to which a study can rule out alternative explanations for its findings, specifically within the context of the study itself. Option C, "Has maturation influenced the dependent variable?" directly addresses an internal validity concern by questioning whether changes in participants over time (maturation) could have affected the outcome, rather than the experimental manipulation.

Which of the Following Is a Question of Internal Validity