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A psychologist at a private psychiatric hospital was asked to determine whether there was any clear difference in the length of stay of patients with different categories of diagnosis. Looking at the last four patients in each of the three major categories, the results (in terms of weeks of stay) were as follows: Diagnosis Category

A psychologist at a private psychiatric hospital was asked to determine whether there was any clear difference in the length of stay of patients with different categories of diagnosis. Looking at the last four patients in each of the three major categories, the results (in terms of weeks of stay) were as follows: Diagnosis Category

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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3. A psychologist at a private psychiatric hospital was asked to determine whether there was any clear difference in the length of stay of patients with different categories of diagnosis. Looking at the last four patients in each of the three major categories, the results (in terms of weeks of stay) were as follows: Affective Disorders 6 5 6 M₁=6 SS₁ = 2 SSBetween 42.67 Source Between Within Total M₂ = 10 SS₂ = 10 Diagnosis Category Cognitive Disorders SS 12 8 9 a. What test are you going to perform? b. List the hypotheses c. List the decision rule d. Perform the ANOVA (Do all calculations including post hoc tests if necessary). e. Complete the ANOVA table 11 Drug-Related Conditions df 8 10 12 10 M3 = 10 SS₂ = 8 MS f. Report your ANOVA result in APA format. g. Interpret your results. F
Transcribed Image Text:3. A psychologist at a private psychiatric hospital was asked to determine whether there was any clear difference in the length of stay of patients with different categories of diagnosis. Looking at the last four patients in each of the three major categories, the results (in terms of weeks of stay) were as follows: Affective Disorders 6 5 6 M₁=6 SS₁ = 2 SSBetween 42.67 Source Between Within Total M₂ = 10 SS₂ = 10 Diagnosis Category Cognitive Disorders SS 12 8 9 a. What test are you going to perform? b. List the hypotheses c. List the decision rule d. Perform the ANOVA (Do all calculations including post hoc tests if necessary). e. Complete the ANOVA table 11 Drug-Related Conditions df 8 10 12 10 M3 = 10 SS₂ = 8 MS f. Report your ANOVA result in APA format. g. Interpret your results. F
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