Discussion: Designs: Experimental Designs, Quasi Experiments, and Non-Experimental Designs
PLEASE READ THE ASSIGNMENT!!!!! Validity issues of causal claims are always at the forefront of evaluation design. It is critical for the evaluator to understand issues of internal, external, measurement, and statistical validity. Though the classical experiment remains the standard for evaluating statistical and causal rigor, many evaluations continue to use quasi experiments and non-experimental … Read more