Question: 4 (KNNLS 15.8) Three high schools participated in a study to evaluate the effectiveness of a new computerbased math curriculum. In each school, four 24student

4 (KNNLS 15.8) Three high schools participated in a study to evaluate the effectiveness of a new computerbased math curriculum. In each school, four 24student sections of freshman algebra were available for the study. The two types of instruction (stande curriculum, computerbased curriculum) were randomly assigned to the four sections in each of the three schools. At the end of the tertn, a standard math achievement test was given to each of the 24 students in each section. A Is this study experimental, observational, or mixed experimental and observational?| Why? B Identify all factors, factor levels, and factorlevel combinations. C What type of study design is being implemented here? D What is the basic experimental unit of the study?I

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