Essay
An experiment was conducted to assess the effects of a minor tranquilizer on a performance task at different levels of stress. The levels of stress (Factor A ) were moderate and high and the levels of tranquilizer (Factor B ) were none and moderate. A two-way ANOVA was done on the data and there was a significant A x B interaction. Explain what this means.
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Q39: A "mean square" is the same thing
Q40: Differences among cell means are used to
Q41: In a two-way ANOVA, if there is
Q42: A significant interaction effect occurs when _.<br>A)
Q43: MS<sub>columns</sub> is a measure of only s
Q45: Define interaction variance estimate ( MS<sub>interaction</sub> ).
Q46: ΣS<sub>total</sub> = ΣS<sub>rows</sub> + ΣS<sub>columns</sub> + ΣS<sub>interaction</sub>
Q47: Define row variance estimate ( MS<sub>rows</sub> ).
Q48: To answer this question, refer to the
Q49: Define factorial experiment.