Question
In this study, a researcher was interested in examining the effectiveness of a specific therapy program at improving the behavior of children. A sample of
In this study, a researcher was interested in examining the effectiveness of a specific therapy program at improving the behavior of children. A sample of 5 children participating in the program was examined, and their scores at pretest (before the program), posttest (right after the program), and follow up (6 months after the program) were compared. Higher scores indicate better behavior. Here are the scores:
X1 (Pretest) | X2 (Posttest) | X3 (Follow up) | |
Brad | 10 | 15 | 12 |
Sandy | 12 | 13 | 18 |
Raul | 9 | 13 | 14 |
Julia | 14 | 15 | 17 |
Paula | 12 | 14 | 14 |
What type of test should be used to analyze this data?
Compute the correct type of ANOVA using the data displayed in the previous question. Complete summary/source table by computing all the appropriate pieces of information.
Please type in each of SS results one at a time:
SS subjects (if any)
Please type in each of SS results one at a time:
SS between (if any)
Please type in each of SS results one at a time:
SS within/error (if any)
Please type in each of SS results one at a time:
SS total ( if any)
Please type in each of df results here:
df subjects
df between
df within/error
df total
Please type in each of MS results one at at time:
MS between
Please type in each of MS results one at at time:
MS within/error
Please type in F (test statistic) result here:
Make decision about the null hypothesis for the ANOVA (with alpha =.05).
Please compute an effect size for the test and type result here.
Compute the appropriate post hoc tests and make decision about the null hypothesis for each comparison. Type in each HSD results here, as well as decision about whether to reject the null hypotheses for each one.
HSD 1 vs. 2 , Decision
HSD 1 vs. 3 . Decision
HSD 2 vs. 3 , Decision
Write conclusion for this test that summarizes all the numerical results obtained, the decisions about the null hypotheses, and interprets these results.
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