17.21: For each of the following, identify the independent variable(s), the depe

Question

17.21: For each of the following, identify the independent variable(s), the dependent variable(s), and the level of measurement (nominal, ordinal, scale)

a. The number of loads of laundry washed per month was tracked for women and men living in college dorms.

b. A researcher interested in people’s need to maintain social image collected data on the number of miles on someone’s car and his or her rank for “need for approval” out of the 183-people studied.

c. A professor of social science was interested in whether involvement in campus life is significantly impacted by whether a student lives on or off campus. Thirty-seven students living on campus and 37 students living off campus were asked whether they were an active member of a club.

Explanation / Answer

a. Dependendent variable number of loads of laundry per month

Independent women and men

Level of measurement is discrete nominal

b. Dependent people's need to maintain social image

Independent number of miles on someone's car and rank for need of approval

Level of measurement is ordinal

C. Dependent is significance of leaving in or out of campus

Independent students lving in and off campus

Level of measurement is scaling

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