Many cross-sectional studies show that crystallized intelligence __________
A) declines steadily after age 20
B) declines swiftly after age 40
C) increases steadily through middle adulthood
D) rises swiftly through early adulthood, and then falls slowly
Answer: C
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If a human fetus is exposed to high levels of both testosterone and estrogens throughout prenatal development, how would external sexual anatomy appear?
a. Like that of a typical male b. Like that of a typical female c. About halfway between typical male and typical female d. With both the typical male structures and the typical female structures
Identify the final stage in Freud's theory of psychosexual development?
A) The phallic stage B) The genital stage C) The latency stage D) The anal stage
Answer the following statements true (T) or false (F)
1 Empiricists believe that accurate knowledge about the world requires observation of it 2 Dogmatism is a desired characteristic of science 3 A theory is a testable prediction made by a hypothesis 4 Scientists tend to judge more complex theories as preferable to simpler theories 5 An operational definition is a description of a property in measurable terms
How can variance be reduced in a between-subjects design? a. Use counterbalancing
b. Use a factorial design adding a participant variable (such as age) as a second factor. c. Use a factorial design with the order of treatments as a second factor d. Reduce the strength of the treatment.