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
D
You might also like to view...
The results of the National Assessment of Education Progress (NAEP) are reported by all of the following except
a. race. b. grade level. c. state. d. school.
How do care teachers help infants and toddlers learn to match animal sounds to the animal?
a. Make animal sounds while reading books and singing songs about animals. b. Make truck sounds while using building blocks. c. Read stories exactly as they are written. They do not point, ask questions, or make extra sounds. d. Make up their own sounds for animals and change them every day.
People with severe intellectual disabilities sometimes develop
A. serious cancers of the skin B. academic skills to the extent they no longer need specialized instruction C. physical symptoms such as cerebral palsy or spina bifida D. difficult behaviors such as aggression and self-injury
The Centers for Disease Control and Prevention provides significant support to the need for physical education and health education by identifying problem areas that can be a major source of health problems. The center points to all of the items below except ______.
A. students experimenting with over-the-counter drugs B. lack of physical activity C. poor nutrition D. unintended pregnancy