In one study of nearly 6,000 U.S. adolescents, ______ met the U.S. recommendations for the consumption of fruits and vegetables.
A. less than 1%
B. only 10%
C. about 25%
D. roughly half
Answer: A
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Which of the following is not a commonly used method for answering questions?
A. survey B. case study C. introspection D. naturalistic observation
____________________ reinforcement prior to extinction makes the behavior less resistant to extinction
Fill in the blank(s) with correct word
A patient objects to the test the doctor has recommended because it requires ingesting a radioactive chemical, even though the chemical is harmless. The doctor is recommending which test?
a. an electroencephalogram (EEG) b. magnetic resonance imaging (MRI) c. a computerized tomography scan (CT scan) d. positron emission tomography (PET)
Results of an experiment that have a chance probability of .05 are usually regarded as statistically significant
Indicate whether the statement is true or false