The key idea in correlated-groups designs is that in seeking to insure equivalence of groups,
A) some correlation among participants in different groups is introduced.
B) there is no correlation introduced in the assigning of participants to groups.
C) a small participant size must be used to prevent error.
D) coefficients of correlation must be group specific.
Answer: A
You might also like to view...
Which of the following Iranian leaders favor an increase in political and social freedoms within the broad framework of an Islamic state?
a. Mahmoud Ahmadinejad b. Ali Khamenei c. Ruhollah Khomeini d. Mohammed Khatami e. Akbar Hashemi Rafsanjani
Supply-side economists argue for all of the following EXCEPT
a. lower tax rates. b. less government involvement in the economy. c. concentration of long-term growth. d. no tax incentives to encourage investing.
One reason why states are reluctant to raise taxes is that they compete with one another
Indicate whether the statement is true or false
What criterion determines a federal job's salary?
A. area of responsibility B. location C. title D. status E. rank