Which of the following is true regarding colic?
A) Almost all infants develop colic.
B) Colic is a pattern of intense daily periods of crying for one to three hours per day.
C) The cause of colic is usually an allergy to infant formula.
D) Colic typically begins at about two weeks of age and then disappears spontaneously at three or four months of age.
Ans: D) Colic typically begins at about two weeks of age and then disappears spontaneously at three or four months of age.
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Minor physical anomalies and other risk factors before, during, and after birth are specific risk factors for ____
a. ADHD, but not other forms of psychopathology b. many forms of psychopathology c. ADHD and conduct disorder alone d. anxiety and depression alone
When comparing means in a single-factor multiple group design, which statistical analysis is most appropriate?
a. independent-measures t test b. repeated-measures t test c. single-factor analysis of variance d. chi-square test for independence
Incentive motivation may be thought of as a _____ between the stimulus characteristics of some goal object and the responses that are directed toward that object
a. bridge b. mediator c. midway point d. instinctive urge
Which statement about language development during middle childhood is true?
A) Vocabulary growth is much slower in middle childhood than in early childhood. B) Children’s reflective, analytical approach to language permits them to appreciate the multiple meanings of words. C) English-speaking children use the active voice more frequently than the passive voice during the school years. D) Children’s use of the passive voice more frequently than the active voice leads to a change in their humor.