Studies of infant stepping behavior on a treadmill demonstrated that
a. the pattern of alternating of steps on each leg precedes the ability to walk
b. even very young infants can walk without assistance.
c. infants cannot judge the speed of movement of a moving object (e.g., the treadmill).
d. infants will refuse to attempt to walk even if held upright.
a
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According to Piaget, abstract reasoning develops during the ____ stage
a. ?sensorimotor b. ?preoperational c. ?concrete operations d. f?ormal operations
The Jarmans' daughter just turned 15. They have found that she
A. has continued her previous patterns of sleep and waking. B. requires less sleep than at other points in her life span. C. has changed from being an "owl" to a "lark." D. has changed from being a "lark" to an "owl."
In operant conditioning, behavioral change is brought about by the manipulation of
a. reflexes. b. goals. c. consequences. d. motives. e. thoughts.
Which of the following statements is true?
a. Scores on IQ tests are somewhat more reliable than scores on performance tests or culture-fair tests. b. Scores on performance tests are somewhat more reliable than scores on IQ tests or culture-fair tests. c. Scores on culture-fair tests are somewhat more reliable than scores on IQ tests or performance tests. d. Scores on IQ tests, performance tests, and culture-fair tests are equally reliable.