The number of persons aged 65 or older, divided by the number of persons age 20–64, times 100 is known as the _____
a. young adulthood as compared to aging adults ratio (YACA)
b. old-age comparison to youthfulness ratio (OACY)
c. age of retirement compared to the age of productivity ratio (ARCAP)
d. old-age dependency ratio (OADR)
Answer: D
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While a(n) ____ is the group of individuals actually observed in a research study, the ____ is the group of individuals that researchers want to generalize or extend their findings to describe
a. experimental group; control group b. control group; experimental group c. population; sample d. sample; population
"Girls should play with dolls," and "boys should roughhouse with each other" are both examples of gender _______________
Fill in the blank(s) with correct word
How might an evolutionary psychologist explain the fact that people tend to enjoy high-fat food?
A) When food was scarce in our ancestral past, people who ate high-fat food tended to obtain the calories that they needed to survive and, ultimately, reproduce. B) High-fat food activates areas in the brain corresponding to reward. C) Over one's lifetime, many interpersonal relationships revolve around eating these "comfort" food items. D) Although eating high-fat food resulted in great mortality rates among our ancestors, the availability of medication today allows people to consume larger amounts of high-fat food.
Phenomena such as telekinesis, clairvoyance, telepathy, and psychic healing are all examples of ________
a) critical thinking b) parapsychology c) experimental methods d) correlations