If the IQ scores in Group A had been significantly higher than those in

Group B, we may conclude that

a. the magnesium pemoline probably caused an increase in IQ scores
b. the magnesium pemoline probably caused a decrease in IQ scores
c. cause and effect statements cannot be inferred from this study
d. none of these

a

Psychology

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An injury to the tongue, teeth, or lips is most likely to impair the ability to pronounce ___

a. vowels b. consonants c. schwas d. dipthongs

Psychology

Lowanna, a one-year-old child, is participating in a visual cliff experiment. She is most likely to cross over the deep side of the cliff if her mother ___

a. poses an angry expression b. sternly orders her to cross c. pleads with her to cross d. poses a joyful expression

Psychology