The hypothesis predicting that differences exist between the groups being compared is to the hypothesis predicting that no differences exist between the groups being compared as _____ hypothesis is to _____ hypothesis
a. null; alternative
b. alternative; null
c. one-tailed; two-tailed
d. two-tailed; one-tailed
b
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If a child cannot maintain her balance, control her motor behavior, or coordinate her eye movements with bodily sensations, which part of the brain might be faulty?
a. Cerebellum b. Amygdala c. Medulla d. Hypothalamus
Shy people tend to
a. be preoccupied with their inner feelings and thoughts, disregarding what others think about them. b. blame themselves for their social failures. c. give themselves credit for social successes. d. do all of these.
Lisa was diagnosed with dementia at age 45; her neighbor, Martha, developed dementia at age 75. Because Lisa developed it so much earlier, her symptoms differed greatly from Martha's symptoms
Indicate whether this statement is true or false.
The __________ is a measure of the spread of the data around the mean
a. percentile score b. median c. standard deviation d. normal distribution