Question 1
Non equivalent Control Group Design – in this type of quasi experimental design both the treatment group and the comparison group are compared with the use of pretest and posttest data. The researcher can confidently have her claim regarding the effect of the treatment when the above groups are similar in the pretest measures but different in the post test measures.
Non equivalent Interrupted time series Group design – in this design, the researcher looks into a sequence of observations made before and after the treatment. Treatment effect takes place takes place when sudden changes occur during the implementation of ...