Variability resulting from individual differences among research subjects is referred to as
a. systematic variance.
b. error variance.
c. analysis of variance.
d. none of the above
b
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What is the evidence to support Charles Darwin’s claim that human emotional expression was shaped through evolution??
a. ?The recognition of emotional facial expressions is uniquely tailored to promote survival in different climatic regions around the world. b. ?Infants’ social smiles emerge at about the same age, regardless of whether an infant can see faces or is born blind. c. ?Individuals who are capable of showing the widest range of emotions typically have the greatest number of progeny. d. ?The same breadth of different emotions expressed by humans are also expressed by nearly all species, but to varying degrees.
What accounts for a human infant's head being about as big as it can be and still pass through the birth canal?
a. the fact that humans are mammals b. the fact that humans walk upright c. the fact that humans are primates d. the fact that women's pelvises are smaller than those of men.
For some adolescents, the role of student
A) is consistent with the ability to process information with increased speed and sophistication. B) marks the next stage in development. C) may conflict with other roles that are rising in importance, such as the role of friend. D) is taken on when adolescents acquire the ability to form multiple intelligences.
A criticism of Freud's approach to personality is that
A) he focused too much on personality development in adulthood and not enough on personality development during adolescence. B) personality development is an unconscious process. C) there is evidence that suggests that personality is fixed by the end of adolescence. D) there is little scientific evidence to support his theory.