Cluster sampling is a particularly useful technique to employ:
a. when interviewing populations that are geographically widely dispersed b. in telephone interviews of households
c. in surveys employing mail questionnaires
d. for experimental purposes
A
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Which statement below correctly states the premise regarding the changing of habits
a. Habits, once rooted in our mind, cannot be changed. b. You can decide to change habits. c. Formulas to create a change of habit don't exist. d. Changing a habit is often fast and easy. e. All are correct
Full employment in the United States today
A) means about a 95% employment rate. B) means 0% unemployment for 6 months. C) means that the cyclical unemployment rate is about 5%. D) means a 100% employment rate.
Validity exists when statements or conclusions about empirical reality are correct.
Indicate whether the statement is true or false.
Of the nearly 3,370 jails in the United States, more than 2,700 are operated at a county level by an elected sheriff
a. True b. False Indicate whether the statement is true or false