A team of researchers gave 15 students a math test four different times as part of a longitudinal experiment. The top- and lowest-scoring students on the first test scored a little better and a little worse, respectively, each time they took the test. This is an internal validity confound known as ______.
a. statistical regression
b. attrition
c. mediation
d. selection
a. statistical regression
You might also like to view...
Traditionally, men play ________ roles in the family
A) submissive B) instrumental C) expressive D) instructional
Comic strip characterizations:
A generally portrayed men as being incompetent in household work. B were generally loving and supportive fathers. C portrayed fathers as still being definitely male, while supportive and nurturant. D all of the above.
You have been appointed to an American Medical Association committee on reforming medical education. What would be your top three goals for reforming medical education? Why? What policies would you want to implement to achieve those goals? Why?
What will be an ideal response?
According to sociologists, which of the following would be a social group?
A. all college freshman in the United States B. a crowd at a ballgame C. men who are balding D. a volleyball team