009 Statistical Tests for True Experimental Designs

STATISTICAL TESTS FOR TRUE EXPERIMENTAL DESIGNS

T test typically used to test for significance when there are two groups as in the Post-test Only Control Group Design.

Analysis of Variance typically used to test for significance when you have three or more groups as in the Solomon Four Group Design.

Analysis of Covariance is typically used to test for significance when posttest means are compared using the pretest means as in the Pre-test/Post-test Control Group design.

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