Question: A study was conducted to test the hypothesis that the type of praise affects students' school performance. Two groups are set up. One group of

A study was conducted to test the hypothesis that the type of praise affects students' school performance. Two groups are set up. One group of students receives effort-praise on good performance and the other group receives ability-praise. The researcher then compares the two groups on their subsequent test performance. In inferential statistics, we look for evidence against the null hypothesis. What is the null hypothesis for this study? ________ the type of praise affects school performance the type of praise does not affect school performance effort praise enhances school performance

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