Which of the following represents a positive correlation?
a. Jack has a higher level of education and a higher than his brother, Tim.
b. Tim has less education than his brother, Jack, but he makes more money.
c. Jack has a high level of education and Tim likes to waterski.
d. Tim has more education than his brother, Tim, but also has children.
Answer: a
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"The more you save, the less you spend" describes
a. a positive linear correlation. b. a negative linear correlation. c. no correlation. d. a nonlinear correlation.
An approach which is concerned with description and explanation of changes within an individual and between individuals from conception until death is call the _______ approach
a. whole life b. life-span developmental c. entire life developmental d. childhood/adulthood developmental
Which of the following types of research would be very useful for examining the heritability of a particular trait?
A) Family studies where researchers examine the extent to which a trait "runs" or goes together in intact families, those in which all family members are raised in the same home. B) Twin studies where researchers investigate whether fraternal twins are more alike on a psychological characteristic, like intelligence or extraversion, than are fraternal twins, and thus can infer that this characteristic is genetically influenced. C) Adoption studies where adoption agencies frequently place children in homes similar to those of the biological parents. D) Phenotype studies where individuals are tracked over time to find out whether their eventual phenotype is consistent with their phenotype at birth.
Lawrence Kohlberg measured moral reasoning by ______.
A. observing children and interviewing them about the rules for playing marbles B. posing hypothetical moral dilemmas, such as the Heinz dilemma C. testing whether it occurs before or after the behavior in question D. comparing cultural differences in moral development