What finding from the National Longitudinal Survey of Youth seems critical in explaining past reports of a relation involving birth order, family size, and intelligence?

a) Average IQ performance since the 1930s has risen.
b) Parents with lower IQs tend to have more children than the national average.
c) The education of children is related to the diet of the mother during pregnancy.
d) Larger families are more likely to have twins who are more likely to have similar IQs.


B

Psychology

You might also like to view...

According to Maslow, which of the following is true about deficiency motives?

A. They affect behavior after most of the lower motives on the hierarchy of needs have been satisfied. B. They result from the lack of a needed object. C. They continue to grow even after the target object has been found. D. They cannot be satisfied until the growth needs are satisfied.

Psychology

Marketing executives use _____ conditioning when they employ celebrities to sell products

Fill in the blank with correct word

Psychology

A stimulus presented to a person or animal that decreases the probability of a particular response is known as __________

a) positive punishment. b) negative punishment. c) negative reinforcement. d) negative expectation.

Psychology

According to psychoanalytic theory, the __________ is the most basic personality system.

A. preconscious B. ego C. id D. superego

Psychology