During a single act of intercourse, approximately how many sperm cells are released by a man?
a. 2 million
b. 200 million
c. 2 billion
d. 20 billion
Answer: B
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B. F. Skinner invented the "baby box" in order to _________
a. conduct operant conditioning experiments on babies. b. store babies so they did not need to be held or cared for. c. modify babies' behavior. d. make babies more comfortable than an ordinary crib would.
Dr. Rashad offers the class an explanation for an extensive group of research findings connecting emotionality and nonverbal communication. Her explanation for this group of findings is a(n)
A) hypothesis. Incorrect. A hypothesis is a testable prediction—an educated guess—that is based on an existing theory. B) empirical conclusion. C) operational definition. D) scientific theory. Correct. A scientific theory is an explanation for a large number of findings in the natural world.
The structure in the hindbrain that controls certain reflexes and coordinates the body's movements is the __________
a. medulla b. cerebellum c. pons d. reticular formation
Which of the following is NOT one of the three factors considered by the Yale Attitude Change Approach?
a. nature of the audience b. message source c. fear d. nature of the communication itself