One reason it is difficult to conduct long-term studies of the same group of participants is that physical and psychological changes in the participants over time can become confounded with the independent variables) of the experiment. Researchers refer to this as the problem of
A) maturation.
B) education.
C) regression artifact.
D) statistical progression.

Question

Quizplus · Accepted Answer

Maturation refers to the natural growth or development in participants over time, which can affect the outcomes of long-term studies by introducing changes that are not related to the experimental manipulation. This makes it difficult to attribute observed effects solely to the independent variables being studied.

One Reason It Is Difficult to Conduct Long-Term Studies of the Same