Which of the following is a key idea in network theory?
A. the importance of strong ties
B. the relationship of dyads to networks
C. the interaction order within networks
D. the strength of weak ties
Answer: D
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As the number of older adults increases rapidly
A. so will the extent of chronic conditions as health problems. B. a shift from chronic care to acute care is needed. C. the extent of acute conditions will decrease. D. all of these are correct
To compute a median for scores that have been grouped into a frequency distribution, we assume that the scores in each interval are
a. spaced evenly across the interval. b. located at the upper real limit of the interval. c. located at the lower stated limit of the interval. d. located at the midpoint of the interval.
What is the probability that a randomly selected case from a normally distributed distribution will have a score between -1.00 and the mean?
a. 0.34 b. 0.16 c. 0.50 d. 0.86
What is meant by the term “participatory action research”?
a. research into the reasons some people are active participants in social change and others are not b. research about ways to motivate people to be more socially active and involved c. social change efforts that enlist and involve the people who will be affected in the planning and execution of the efforts d. research on the consequences of activism for activists themselves