Control group: In an experimental design, which is contrasting two or more groups, the control group of subjects is not given the treatment whose effect is under investigation.
Experimental group: In an experimental design, which is contrasting two or more groups, the experimental group of subjects is given the treatment whose effect is under investigation.
Between subjects design:
In a between subjects design the values of the dependent variable for one subject or group of
subjects (e.g., the experimental group) are compared with the values for another subject or
another group of subjects (e.g., the control group).
Within subjects design:
In a within subjects design the values of the dependent variable for an item or a set of
items (e.g., the experimental items) are compared with the values for another item or
another set of items (e.g., the control items) within one person.
Literature:
Atkinson, Atkinson, Smith & Bem (1990),
Schmidt (1993)
| Entry by: Stefan Schwarz |
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June 7, 1999 Direct questions and comments to: Glossary master |
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