8.An economist was interested in finding out if gender and cumulative grade point averages had any effect on the length of time it took a recent college graduate to find a job. Twenty-two males and 22 females who were all recent college graduates with GPA's above 3.0 participated in the study. The researcher first classified the participants according to gender. Then, they were divided into those with GPA's between 3.0 and 3.49, and those with GPA's between 3.50 and 4.0. The researcher then recorded the length of time it took for each participant to be offered a job.

(4 Points)

the two gender groups.

gender and GPA

length of time to job offer and gender.

the two GPA groups

9. The response in this study is:

(4 Points)

the length of time to job offer.

the collection of responses of the employers at potential jobs.

the gender, because that is how the researcher first divided the participants.

the GPA's of the participants, because that required a verbal response from the participants.

10. Which of the following lurking variables could have a confounding effect on the response?

(4 Points)

The individuals' majors

The individuals' interviewing and resume-writing skills

The individuals' efforts in pursuing jobs

All of the above