A Type I error has occurred if we
a. reject a null hypothesis that is really false.
b. retain a null hypothesis that is really false.
c. retain a null hypothesis that is really true.
d. reject a null hypothesis that is really true.
D
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The fact that ingestion of nicotine can lead to an increased risk of miscarriage or low birth weight while contracting rubella can cause aberrant development of the eyes, ears, and heart demonstrates that a. the impact of teratogens depends on the genotype of the organism
b. the impact of teratogens changes of the course of prenatal development. c. each teratogen affects a specific aspect (or aspects) of prenatal development. d. the impact of a teratogen depends on the amount, or dose, of the teratogen.
According to the _____ principle, development starts globally and undifferentiated
a. cephalocaudal b. biogenetic c. proximodistal d. orthogenetic
Kent is quite introverted and tends to be a bit neurotic. According to the findings of Bolger and Eckenrode (1991) on the relationship between personality and social support, how is Kent likely to react if he has many social contacts?
A) He will be less stressed than if he had fewer social contacts. B) He will be more stressed than if he had fewer social contacts. C) He will do more poorly on exams than if he had fewer social contacts. D) Social contacts won't matter, as personality completely determines stress.
An interviewing research technique using computer and audio assistance is known as the
A. audio-CASI method. B. computer-aided audio-cassette method. C. computer-generated audio-response method. D. CAT/PET method.