According to the text, which of the following types of household is now the norm in the United States?
a. single-earner households headed by a woman
b. single-earner households headed by a man
c. dual-earner households
d. multiple-earner households with 3 or more people in the family working
c
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The absence of chromosomes or presence of extra chromosomes in a fetus usually results in __________.
A. death of the fetus B. a normal baby of either gender C. a boy D. a girl
Formal operational thinking is distinguished from concrete operations by the ability to:
A) understand the principle of conservation. B) reason about abstract concepts. C) show egocentrism. D) understand object permanence.
X sperm swim faster and thrive in an alkaline environment
Indicate whether the statement is true or false
Which of the following statements best describes the predictive nature of IQ scores?
a. IQ scores predict grades in school and occupational success. b. IQ scores predict grades in school but not occupational success. c. IQ scores predict occupational success but not grades in school. d. IQ scores do not have any predictive ability.