Which research designs could be classified as experimental? (Select all that apply.)
A) Solomon four-group design
B) After-only design
C) Nonequivalent control group design
D) After-only nonequivalent control group design
E) One-group pretest-posttest design
F) True experimental pretest-posttest control group design
G) Time series design

Question

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The Answer of Which research designs could be classified as experimental? (Select all that apply.)
A) Solomon four-group design
B) After-only design
C) Nonequivalent control group design
D) After-only nonequivalent control group design
E) One-group pretest-posttest design
F) True experimental pretest-posttest control group design
G) Time series design

Which Research Designs Could Be Classified as Experimental? (Select All