Question 19 Standard experimental and correlational designs

Question 19 Standard experimental and correlational designs both have limitations for researching \"evidence-based practices.\" How can they be expanded to be more useful? options:

A) Expand correlational studies, so they include more than one time point.

B) Use experimental designs to test out interventions designed to improve development.

C) Take experimental studies out of the lab, and study \"natural\" experiments.

D) All of the above.

E) A & B only.

Solution

Answer : A

In true experiment offer definitive evidence for causal inferences, but not all educational intervention whereas correlational research for evidence - based pratices, it means that correlational evidence is most informative when exemplary pratices are followed as regards such as measurement, quantifying effects, avoiding common analysis error and using confidence intervals to portray the range of possible and the precisions of the effect estimates.