46 there is a different f distribution for every a

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What is Psychology?: Foundations, Applications, and Integration
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Chapter A-A / Exercise 3
What is Psychology?: Foundations, Applications, and Integration
Pastorino
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46. There is a different F distribution for every: A) sample size. B) level of the independent variable. C) combination of sample size and number of samples. D) within-groups degrees of freedom.
47. What is the correct formula for between-groups degrees of freedom?
48. The effect size measure for the one-way within-groups ANOVA is Cohen's d .
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What is Psychology?: Foundations, Applications, and Integration
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Chapter A-A / Exercise 3
What is Psychology?: Foundations, Applications, and Integration
Pastorino
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B) False 49. Dr. Sanders was interested in investigating the effects of stress on memory. He exposed participants to public speaking stress and room temperature stress and gave them a memory measure immediately after exposure to the two stressors. Dr. Sanders also gave participants the memory measure at baseline, when they first entered the research laboratory. Dr. Sanders hypothesized that participants' memories would be most affected by the two stressors compared to the baseline condition. What statistical test should Dr. Sanders use to test her hypothesis?
50. Changes in within-groups variance result in changes in the _____ of the F ratio. A) denominator B) numerator C) sign D) significance

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