An infant looks at her bottle and utters a sound with a rising pitch, or inflection. Her mother realizes she is asking if she can have the bottle because of the ________ in the infant's voice
a. relativity
b. intonation
c. babbling
d. cooing
Answer: b
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If Professor Trong were to argue that we discriminate different pitches because sound waves of different frequency displace different regions on the basilar membrane, which theory of auditory perception would Dr. Trong be arguing?
a. Place b. Frequency c. Volley d. Opponent process
The leading cause of injury-related death for children ages 5 to 14 is __________.
A. drowning B. motor vehicle traffic accidents C. fires and burns D. firearms
Which is an example of a carcinogen?
A. certain viruses B. hereditary factors C. hormonal factors D. immune dysfunction
Dr. Bozzo wants to test the hypothesis that eating a high protein diet leads to greater weight loss than a high carbohydrate diet. Which type of research design would Dr. Bozzo be most likely to use?
a. ?an experiment b. ?a survey c. ?naturalistic observation d. ?a correlational study