Help!! Main effects refer to the: Flag this Question Question 462 pts The follow

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Main effects refer to the:

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Question 462 pts

The following source table depicts partial results of a fictional study investigating whether students' stress levels vary as a function of the type of residence they inhabit (house, apartment, dorm room) and the noise volume to which they are subjected (soft, medium, loud). Six participants were recruited for each cell of the study.

Table: Residence and Noise

Reference: Table 4

(Table: Residence and Noise) Using the source table and information provided, calculate the sum of squares for the interaction.

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Question 472 pts

An effect size of 0.20 for a two-way ANOVA is considered to be:

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Question 482 pts

The following source table depicts the results of a fictional study investigating whether the number of hours of sleep a person gets varies with his or her gender (male, female) and with the number of cups of coffee he or she consumes in a day. Equal numbers of men and women were randomly assigned to drink 1, 2, or 3 cups of coffee during the course of a day and then record the number of hours they slept that night.

Table: Coffee and Sleep

Reference: Table 3

(Table: Coffee and Sleep) What was the sample size for the entire study?

combined effects of two independent variables.

Explanation / Answer

Main effects refer to the:

effect of one level of the independent variable on the dependent variable, disregarding other levels of the independent variable.

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