Experimental Designs

• Knowledge level- Explanatory

  • Classical experimental
    Experimental Group: R O1 X O2
    Control Group: R O1 O2
  • Solomon four group
    Experimental Group 1: R O1 X O2
    Control Group 1: R O1 O2
    Experimental Group 2: R X O2
    Control Group 2 R O2
  • Randomized posttest-only control group
    Experimental Group : R X O1
    Control Group : R O1

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