A psychologist measures the IQs of 20 students who ingested a "smart pill" and 20 students who ingested a "sugar pill" in order to determine if the pill had an effect on intelligence. To ensure peak performance, she tests all of the students on Wednesdays. In this experiment, the dependent variable is the
a. day of the week.
b. pill type.
c. IQ score.
d. sex of the researcher.
c
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Which of the following is TRUE of short-term memory?
a. It maintains sensory information in an unanalyzed form. b. It has an unlimited storage capacity. c. It helps us produce and interpret spoken language. d. It holds information for extended periods of time.
Emotional reactions to objects and events are sometimes learned as a result of observing others rather than through direct experiences. This phenomenon is called
a. instrumental acquisition. b. response shaping. c. vicarious classical conditioning. d. negative transfer conditioning.
The genetic characteristics of the ____ determine the baby's sexual identity
a. older siblings b. father's sperm c. mother's ovum d. parents' shared wishes
Which of the following is a suggested treatment for insomnia?
A) Consume caffeine if planning to stay up late. B) Remain in bed until you are able to fall asleep no matter how long it takes. C) Hide clocks to avoid becoming preoccupied with how long it is taking to fall sleep. D) Use an alarm clock to wake up in the morning.