Question: Fit a robust model for Task 1 Task 1 To test how different teaching methods affected students knowledge I took three statistics modules (group) where

Fit a robust model for Task 1

Task 1

To test how different teaching methods affected students’ knowledge I took three statistics modules (group) where I taught the same material. For one module I wandered around with a large cane and beat anyone who asked daft questions or got questions wrong (punish). In the second I encouraged students to discuss things that they found difficult and gave anyone working hard a nice sweet (reward). In the final course I neither punished nor rewarded students’ efforts (indifferent). I measured the students’ exam marks (percentage). The data are in the file teach_method.sav. Fit a model with planned contrasts to test the hypotheses that: (1) reward results in better exam results than either punishment or indifference; and (2) indifference will lead to significantly better exam results than punishment.

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