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Equivalent Groups
In a between-subjects experiment, when researchers utilize random assignment to allocate participants to different conditions, the resulting groups are expected to be highly similar to one another. Because these groups lack systematic pre-existing differences, researchers consider them to be equivalent.
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Research Methods in Psychology - 4th American Edition @ KPU
Related
Random Assignment
Advantages of Between-Subjects Experiments
Independent-Samples t-Test
One-Way ANOVA
Within-Subjects Experiment
Matched-Groups Design
Examples of Between-Subjects Experiments
Example of Lack of Context in Between-Subjects Designs
Combining Between-Subjects and Within-Subjects Designs
Equivalent Groups
Nonequivalent Groups
Which of the following best describes a between-subjects experiment?