What is one suggested limitation of the single subject design?
a) significant expense
b) internal validity
c) external validity
d) none of the above
c
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Answer the following statement(s) true (T) or false (F)
1. The word ‘nominal’ in reference to a variable means ‘number.’ 2. A Likert scale is an additive index of five or seven point value ordinal variables. 3. A frequency distribution table is the best way to describe the dispersion of a nominal level variable. 4. Dispersion describes the number of categories in a variable.
Which of the following is an express power of the presidency as outlined in the Constitution? I. Convene Congress II. Sign or veto legislation III. Convene the Supreme Court IV. Negotiate treaties
a. All but I b. All but II c. All but III d. All but IV
NATO intervened militarily to end the genocide of Muslims in
a. Darfur. c. Afghanistan. b. Bosnia. d. Iran.
On average, women earn about ________of men's earnings
a. 60 percent b. 70 percent c. 80 percent d. 90 percent