n. an experimental design which involves two (or more) groups of participants simultaneously being tested. In the process, the effect of treatments can be measured and assesed by comparing data between groups. Compare within-subjects design.

BETWEEN-GROUPS DESIGN: "The simplest structure of a between-groups design is when one group gets designated as the control group and the other gets assigned as the treatment group."
Cite this page: N., Pam M.S., "BETWEEN-GROUPS DESIGN," in, April 7, 2013, (accessed September 16, 2021).