The school newspaper reports that the GPA of athletes is slightly higher than the GPA of undergraduates in general. Suppose you want to use these data to argue that athletes are smarter than the average student. Someone else points out that intelligence (smartness) is only one of several factors influencing GPA; others are self-discipline, tutoring, pressure from coaches, required class attendance, and so on. Each of these latter factors is a potential ____ in any simple explanation of GPA.
a. exogenous variable
b. moderator variable
c. placebo
d. confounding variable
e. discriminant variable
Question 2
A researcher who wants to conduct a study in the local high school finds that she must use volunteers rather than intact class groups. In this case, the researcher should
a. make sure to use a sample of at least 30 or more subjects.
b. control for the subjects' willingness to volunteer.
c. keep the volunteer subjects naive as to the purpose of the study.
d. determine the extent to which volunteers may differ from nonvolunteers on important variables.
Both men and women gain weight in young adulthood and middle adulthood, losing in the late 50s, but
Under what conditions can part-time employment in high school be a negative influence on school ...
Conscientiousness is negatively correlated with a number of health-related behaviors. The higher the ...
In older adults, higher education is related to higher levels of ego development.
Cost of Going to School
High school science classes are required to use deductive logic