In which of the following ways are correlational designs similar to quasi-experimental designs?
A) They both use nonrandom samples.
B) They both suffer from possible threats to internal validity.
C) They both use random assignment.
D) They both use small numbers of participants.
E) None of the above are ways in which correlational designs are similar to quasi-experimental designs.

Question

Quizplus · Accepted Answer

Both correlational and quasi-experimental designs can suffer from possible threats to internal validity. However, quasi-experiments differ from correlational designs in that they use an independent variable that is manipulated by the researcher and may allow for stronger causal inferences.

In Which of the Following Ways Are Correlational Designs Similar