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Experimental Research - Coggle Diagram
Experimental Research
Quasi-Experimental Design
Non-equivalent switched replication
Regression-discontinuity
Nonequivalent group design
Proxy pretest design
Seperate pretest-posttest samples design
Group Experimental Designs
Posttest-only control group design
Covariance design
Pretest-posttest control group desing
Hybrid Design
Randomized block design
Solomon four-group design
Switch replication design
Internal validity
External validity
Basic Concepts
Treatment & control groups; Random selection & assignment ; Threats to internal validity
Laboratory and field experiments