Which of the following threats to validity CANNOT be corrected by simply adding a control group to a researcher's design?
A) history
B) regression toward the mean
C) testing effects
D) participant reaction bias
D
You might also like to view...
The median age at first marriage has __________.
A. increased steadily since 1890 B. declined steadily since 1950 C. remained about the same for 125 years D. increased steadily since 1970
The nigrostriatal pathway uses the neurotransmitter a. dopamine, and is important in movement
b. dopamine, and is important in the development of Parkinson's disease. c. norepinephrine, and is important in vigilance. d. serotonin, and is important in mood.
Red, or long-wavelength, cones contain which of the following photopigments?
a. rhodopsin b. cyanolabe c. chlorolabe d. erythrolabe
Which is not consistent with Kipling William’s investigations of reactions to ostracism?
a. Women who have been ostracized work harder on collective tasks. b. Men tend to respond to ostracism by reducing their input into the group. c. Both men and women blamed themselves for being ostracized from the group. d. Individuals who have been ostracized rated their group negatively.