A researcher used a one-factor ANOVA for between-groups to test the effectiveness of four teaching methods...

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A researcher used a one-factor ANOVA for between-groups to testthe effectiveness of four teaching methods for autisticchildren. The experiment was conducted with four samples of n =12 autistic children in each group.

The results of the analysis are shown in the following summarytable:

SourceSSdfMS
Between Treatments (F=5.00)???
Within Treatments88??
Total??

A. Fill in all missing values in the table. Show your work(i.e., all computational steps for finding the missing values).Hint: start with the df values.

B. Do these data indicate any significant differences among thefour teaching methods (assume p < .05)?

Your answer should include:

- the null hypothesis H0 & the alternative hypothesis H1

- the critical F value used for the decision about H0

- if the difference is statistically significant, compute theeffect size, ?2

- the conclusion in APA style format.

*NOTE: This is a Psychology Statistics question

Answer & Explanation Solved by verified expert
3.8 Ratings (450 Votes)
GivendataEffectiveness of teaching methods 4experiment was conducted with four samples of n 12REQURIEDAMissing values in the tableBData indicate any significant differences among the    See Answer
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