Under what circumstances is a very small treatment effect still likely to be statistically significant?
a. if the sample size is small and the sample variance is small
b. if the sample size is small and the sample variance is large
c. if the sample size is large and the sample variance is small
d. if the sample size is large and the sample variance is large
c
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Which of the following scenarios represent the principle of reinforcement?
A) doing the same thing over and over again regardless of the consequences B) blinking when a particle lands in your eye C) studying hard because it results in good grades D) introspecting about a pleasurable experience in your life
A researcher is compiling data on the incidence of all types of diseases. These data reflect
mortality. morbidity. disability. vitality.
Taste is the only sense that fails to exhibit adaptation
a. True b. False
Most older adults do not suffer from hearing loss great enough to disrupt their daily lives until
A) around age 65. B) between ages 70 and 75. C) around age 80. D) after age 85.