An experiment was designed to test the effects of rehearsal on memory. In order to hold the extraneous variable "time of day" constant, the experimenter decides to run two groups simultaneously
The rehearsal group is given the instructions live and the other non-rehearsal group sees the same instructions in the next room via closed-circuit television. Live-versus-television is
a. an extraneous variable, but not a confounding variable.
b. a confounding variable, but not an extraneous variable.
c. neither an extraneous nor a confounding variable.
d. both an extraneous and a confounding variable.
D
You might also like to view...
Federal ______ grants for community development activities give states and local governments an amount of money to conduct the activities with more flexibility to determine how the money is spent.
A. categorical B. regulatory C. block D. stimulus
Judging from historical averages, if a country that averages 4 percent annual economic growth is sanctioned for widespread human rights abuses, what is the likely effect on its economy?
a. Annual economic growth will fall to negative 2 percent. b. Annual economic growth will fall to 1 percent. c. Annual economic growth will remain the same. d. Annual economic growth will increase to 5 percent.
What is the purpose of a policy assessment matrix?
a. To guide the implementation of a policy. b. To evaluate a policy that is being enacted to see it if has positive outcomes. c. To evaluate why a policy is not working. d. To evaluate the costs of a new policy.
The election laws at the federal and state levels
A. give all political parties an equal opportunity to compete for votes. B. are provided by the United States Constitution. C. cannot be scrutinized by either federal or state courts. D. are written primarily by Democrats and Republicans. E. None of these answers is correct.