KINDS OF EXPERIMENT Laboratory experiments (controlled, artificial conditions): Pretest-post-test control and experimental group Two control groups and.

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KINDS OF EXPERIMENT Laboratory experiments (controlled, artificial conditions): Pretest-post-test control and experimental group Two control groups and one experimental group pretest-post-test Post-test control and experimental group Post-test two experimental groups Pretest-post-test two treatment Matched pairs; Factorial design; Parametric design; Repeated measures design; Field experiments (controlled conditions in the ‘real world’): one-group pretest-post-test; non-equivalent control group design; time series Natural experiments (no control over real world conditions)