Family involvement in homework. A study of the impact of the interactive Teachers Involve Parents in Schoolwork (TIPS) program was published in the Journal of Educational Research (July/Aug. 2003). A sample of 128 middle school students were assigned to complete TIPS homework assignments, while 98 students were assigned traditional,noninteractive homework assignments (ATIPS). At the end of the study, all students reported on the level of family involvement in their homework on a five-point scale (0 = Never, 1 = Rarely, 2 = Sometimes, 3 = Frequently, 4 = Always). The data for the science, math, and language arts homework are saved in the HWSTUDY file. (The first five and last five observations in the data set are reproduced in the accompanying table.)
a. Why might a nonparametric test be the most appropriate test to apply in order to compare the levels of family involvement in homework assignments of TIPS and ATIPS students?
b. Conduct a nonparametric analysis to compare the involvement in science homework assignments of TIPS and ATIPS students. Use α = .05.
c. Repeat part b for mathematics homework assignments.
d. Repeat part b for language arts homework assignments
Homework Condition | Science | Math | Language |
ATIPS ATIPS ATIPS ATIPS ATIPS . . TIPS TIPS TIPS TIPS TIPS | 1 0 0 1 1 . . 2 1 2 4 2 | 0 1 1 2 1 . . 3 4 4 0 0 | 0 1 0 0 2 . . 2 2 2 3 1 |
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