Now imagine that the researcher mentioned in the scenario at the top of this pag
ID: 3384055 • Letter: N
Question
Now imagine that the researcher mentioned in the scenario at the top of this page had incorrectly computed an independent one-way ANOVA by treating the different repeated measures as different levels of a between-subjects factor. That is, the researcher believed that there were 81 unique participants with 27 participants in each of 3 conditions (i.e., he incorrectly believed that there were no repeated measures). For convenience, I have copied the sums of squares initially provided below: SSerror = 135.6 SStreatment = 105.6 SSsubjects = 1325.8 Using these sums of squares, calculate what SSerror would be if the data were incorrectly treated as independent and a one-way ANOVA had been conducted. Write your answer below. Provide one decimal place.
Explanation / Answer
Now imagine that the researcher mentioned in the scenario at the top of this page had incorrectly computed an independent one-way ANOVA by treating the different repeated measures as different levels of a between-subjects factor. That is, the researcher believed that there were 81 unique participants with 27 participants in each of 3 conditions (i.e., he incorrectly believed that there were no repeated measures). For convenience, I have copied the sums of squares initially provided below: SSerror = 135.6 SStreatment = 105.6 SSsubjects = 1325.8 Using these sums of squares, calculate what SSerror would be if the data were incorrectly treated as independent and a one-way ANOVA had been conducted. Write your answer below. Provide one decimal place.
one-way ANOVA SS error = (SSerror + SSsubjects) in repeated measure ANOVA
independent and a one-way ANOVA SS error =135.6+1325.8
= 1461.4
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