Random assignment is intended to achieve ______ by placing subjects in different treatment and control groups to “level the playing field.”
a. equivalence
b. variance
c. confirmation
d. agreement
a. equivalence
You might also like to view...
The Braceros Program ended with
A) great U.S.-Mexican relations. B) poor U.S.-Mexican relations. C) second U.S.-Mexican war. D) border raids.
Professor Hall was planning to do a field study of hitchhikers. Hall wanted to be sure that persons representing all different age, racial, and sex categories were included in the sample of hitchhikers. What kind of sampling scheme would you recommend?
a. deviant cases b. quota sampling c. stratified sampling d. snowball sampling e. cluster sampling
The concept of sex is used to refer to which of the following?
a. masculine/feminine b. male/female c. sexual self-concept d. gender role
Which of the following is not an empirical question?
a) How do people define the meaning of life? b) Are Protestants more likely than Catholics to go to heaven after death? c) How many people believe in God? d) Do Americans value the sanctity of life? e) These are all empirical questions.