Using your knowledge of threats to internal validity, which research design will be most susceptible?

Question

Quizplus · Accepted Answer

Correlational designs are most susceptible to threats to internal validity because they do not manipulate the independent variable, making it difficult to establish cause-and-effect relationships. They often cannot control for confounding variables as effectively as experimental designs, leading to potential spurious correlations.

Using Your Knowledge of Threats to Internal Validity, Which Research