Smoking during pregnancy has been associated with ____
a. high birth weight
b. spontaneous abortion
c. decreased risk for vascular damage to the developing fetus's brain
d. high iron levels
B
Psychology
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What is the major disadvantage of the experimental method?
A. Researchers cannot determine correlation from the experimental method. B. Researchers cannot determine causation from the experimental method. C. Many important variables cannot be manipulated. D. Researchers cannot use random assignment in the experimental method.
Psychology
Consonant phonemes generally convey ________ information than do vowel phonemes, and frequently used words are generally ________ than infrequently used words.
a. more; longer b. less; shorter c. more; shorter d. less; longer
Psychology