In regard to temperament, some adolescents may be easily upset and get bothered with little provocation. This refers to
A) extraversion. B) irritability. C) activity level. D) adaptability.
B
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A repeated-measures study comparing two treatments with a sample of n = 4 participants produces a mean of M1 = 18 with SS = 24 for the scores in the first treatment, a mean of M2 = 14 with SS = 18 for the scores in the second treatment, and a mean of MD = 4 with SS = 12 for the difference scores. What is the estimated standard error for the sample mean difference?
a. 4 c. 2 b. 3 d. 1
Most standardized tests of intelligence have a distribution of scores that __________
a) follows the normal curve. b) has a positive skew. c) has a negative skew. d) appears bimodal with two peaks of high frequency.
During toddlerhood children do not need as much of this to maintain a constant body temperature?
a. warm clothes b. mother's body c. body hair d. body fat
In the context of epigenetics, which of the following is an example of a polygenic trait?
A. Skin color B. Huntington's chorea C. Lactose intolerance D. Polycystic kidney disease