Imagine that a researcher is interested in investigating whe

Imagine that a researcher is interested in investigating whether the number of hours of sleep a person gets varies with gender (male, female) and with the number of cups of coffee the person consumes in a day. Equal numbers of men and women were asked to drink 1, 2, and 3 cups of coffee during the course of a day (on different days) and then record the number of hours they slept that night.

(a) Identify the independent variables and the level of each independent variable.

(b) What is the dependent variable?

(c) What kind of ANOVA would be used to analyze these data?

(d) Draw a table depicting the cells of the study.

Solution

(a) Identify the independent variables and the level of each independent variable.

gender and number of cups of coffe that the person consumes in a day

(b) What is the dependent variable?

number of hours of sleep

(c) What kind of ANOVA would be used to analyze these data?

2 factors