A psychologist who works with people who have Down\'s syndrome, designed a study

Question

A psychologist who works with people who have Down's syndrome, designed a study intended to determine which rewards were most effective for use in training patients. Four different reward groups of six patients were selected and the number of days it took to teach them a particular task was recorded, with each group receiving one of four types of rewards: A, B, C, D. Complete the ANOVA Table at alpha = 0.05. Show Critical Values and make a statistical decision, Write a one-sentence conclusion (relate your conclusion to the problem or the purpose of the experiment.

Explanation / Answer

F table ( 3,20) = 3.10

source SS df MS F among 415.5 3 138.5 32.8459796 within 84.333 20 4.21665 total 497.833 23

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