This job talks about the randomized, pretest-posttest, control-group design nature of an experimental design.© BrainMass Inc. brainmass.com March 4, 2021, 6:14 pm ad1c9bdddf
The very first thing to remember in research is that any research which does not include a manipulated independent variable and random assignment of participants to conditions is NOT an experiment. Remember also that experimental designs have two elements which include the
random assignment of participants to conditions and a control group.
Now...here is the way to ...
This job overviews experimental design.