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Question

In a verbal memory experiment, the two independent variables, ‘meaningfulness of material’ and ‘retention interval’ were employed, each varied at three levels. The number of words correctly recalled was the dependent variable. The sum of squares due to meaningfulness of material is 270. The Mean square for the meaningfulness of material would be :

A 30.0
B 67.5
C 90.0
D 135.0

Answer & Explanation

Answer:135.0

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