The child's ability to categorize objects into groups that are similar (round shapes, square shapes, triangles, and so forth) begins to emerge at about what age?
a. 1 year
b. 18 months
c. 2 years
d. 3 years
c
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Suzie displays the mental ability typical of a 6-year-old child. Which statement is necessarily TRUE?
A) Suzie's physical age is at least 6. B) Suzie's mental age is 6. C) Suzie's mental age can be calculated by subtracting 6 from her physical age. D) Suzie's mental age can be calculated by dividing her physical age by 6.
In Freudian theory, which of the following is true of the id?
a. It operates according to the reality principle. b. It develops through socialization. c. It rarely influences behavior after early childhood. d. It is present at birth.
Type I schizophrenia is characterized by ______.
A. intellectual impairment and positive symptoms B. poor response to drugs and increased D2 receptors C. increased dopamine receptors and a good response to drug treatment D. negative symptoms that are irreversible
Which of the following describes Weber's law?
A. What an individual sees and hears is completely dependent on her or his perception and desire. B. The size of a just noticeable difference in stimuli perception is a constant fraction of the intensity of the stimulus. C. Muscles control the shape of the eye's lens to adjust to viewing objects at different distances. D. The texture of a surface becomes more tightly packed together and dense as the surface moves to the background.