How has the median age of first marriage in the United States changed from 1970 to 2009?
a. It has dropped by about four years.
b. It has remained constant
c. It has risen by about five years.
d. It has risen by about eight years.
c
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Which of the following is an indication of positive behavioral norms within a group, allowing members to propose ideas and express vulnerability?
A) Well-balanced mix B) Groupthink C) Psychological safety D) Compatible values E) Overload
The introduction of a research proposal
a. Contains experimental methodology b. Explains your reason for wanting to do the study c. Contains what the data means d. Includes a request for money
Ranked data are on an interval scale of measurement.
Answer the following statement true (T) or false (F)
Limits on cigarette advertising and sales, higher cigarette taxes, warning labels, and public information campaigns have resulted in an average U.S. adult smoking rate of approximately:
A. 17 percent. B. 8 percent. C. 21 percent. D. 12 percent.