A friend asks your advice about going to see an acupuncturist to help him deal with headache pain. Based on previous research, you would expect that acupuncture would
A. increase the number of his headaches.
B. decrease his headache pain.
C. decrease his endorphin levels.
D. have no effect.
Answer: B
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If a person has an IQ score that falls in the range of 50 or 55 to 70, it would be classified as __________.
A. profound intellectual disability B. moderate intellectual disability C. borderline intellectual development D. mild intellectual disability
Research suggests that humans are capable of identifying others who pose threats as well as those who are trustworthy from their _______ features.
a. facial b. vocal c. postural d. hairy
When an experiment produces null results
a. it is possible that the experimenter did not use a valid manipulation of the independent variable. b. it shows that the independent variable manipulation produced a change in the dependent variable. c. it shows that the dependent variable had no effect on the independent variable. d. it is possible that the effect of the independent variable occurred by chance.
Kuhl and colleagues' research focused on an infant's ability to
a. make different vowel sounds. b. discriminate between different vowel sounds. c. recognize an auditory stimulus (buzzers, clanks, clacks, etc.). d. recognize content and function words in adult speech. e. discriminate between sounds made by other infants.