Within-Subjects Design (Also known as repeated measures design)
Posttest-Only Design
Matched Pairs Design
Solomon Four-Group Design
Between-Subjects Design
Prettest-Posttest Design
An experiment in which the same subjects are assigned to each group.
A true experimental design in which the dependent variable is measured both before (pretest) and after (posttest) manipulation of the independent variable.
A true experimental design in which the dependent variable (posttest) is measured only once, after manipulation of the independent variable.
A method of assigning subjects to groups in which pairs of subjects are first matched on some characteristic and then individually assigned randomly to groups.
Experimental design in which the experimental and control groups are studied with and without a pretest.
An experiment in which different subjects are assigned to each group. Also called independent groups design.
