In the last 10 years, the percentage of older adults needing help with activities of daily living has
a. increased.
b. decreased.
c. stayed the same.
d. skyrocketed.
Answer: b
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__________________ is especially useful for studying behavior as it happens
a. A self-administered questionnaire c. An interview b. Secondary data analysis d. Observation
As medical science advanced,
a. the increase in doctors meant more personalized health care. b. medical specialization became the norm. c. the general practitioner lost prestige. d. both b and c.
Urban homesteading
a. is a relatively small program. b. can always save entire neighborh6ods. c. enables all abandoned properties to be rehabilitated. d. has salvaged over one million buildings.
In a t test for dependent means, the mean change score is 12 and the standard deviation of the distribution of means is 6. What is the t score?
What will be an ideal response?