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You want to determine the optimal tutor-to-student ratio. Students seeking tutoring will be randomly assigned to one of three groups:

Group 1 will involve each tutor working with only one student; in Group 2, each tutor will work with two students; and in Group 3, each tutor will work with five students. At the end of the term, students will be asked to complete the Tutor Satisfaction Survey, which renders a score from 0 to 100, and the number of months that the tutor has been providing tutoring service (as the covariate).

Data set: Ch 06 – Exercise 01B.sav

Codebook

Variable: Group

Definition: Group number

Type: Categorical (1 = One-to-one, 2 = Two-to-one, 3 = Five-to-one)

Variable: TSS

Definition: Tutor Satisfaction Survey score

Type: Continuous (0 = very unsatisfied . . . 100 = very satisfied)

Variable: Tutor_months

Definition: Number of months the tutor has been providing tutor service

Type: Continuous

a. Write the hypotheses.

b. Run each criterion of the pretest checklist (homogeneity of regression slopes, homogeneity of variance [Levene’s test]) and discuss your findings.

c. Run the ANCOVA test and document your findings (ns, means, and Sig. [p value], hypotheses resolution).

d. Write an abstract under 200 words detailing a summary of the study, the ANCOVA test results, hypothesis resolution, and implications of your findings.

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