From middle adulthood to late adulthood, the amount of sleep people need ____
a. declines slightly
b. declines sharply
c. increases slightly
d. increases sharply
Answer: A
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A lexicon refers to the:
a) words contained in a language. b) system of rules governing word forms. c) specific meaning that encoders intend to convey. d) specific meaning that decoders interpret.
As a part of your research, you would like to discover how certain behaviors occur in their natural environment. Which experimental technique would be the best to use?
A. case study B. survey C. archival research D. observational research
The sum of the deviations around the mean
a. always equals zero. b. always equals one. c. typically but not always equals zero. d. typically but not always equals one.
__________ is one-third greater in both younger and older active sports participants than in healthy, inactive agemates
A) Vital capacity B) Muscle loss C) Decrease in the speed of muscle contractions D) Conversion of slow-twitch into fast-twitch muscle fibers