What are the values for SS and variance for the following sample of n = 3 scores? Sample: 1, 4, 7
a. SS = 18 and variance = 6 c. SS = 66 and variance = 22
b. SS = 18 and variance = 9 d. SS = 66 and variance = 33
B
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Aging brings a loss of cilia in the inner ear, causing hearing problems.
Answer the following statement true (T) or false (F)
The breakdown of __________ seems to be responsible for the impaired ability to form new memories.
A. gamma-aminobutyric acid (GABA) in the hypothalamus B. leptin in the pancreas C. serotonin in the amygdala D. acetylcholine in the hippocampus
Because delinquency has roots in childhood and results from events in several contexts, ________.
A. economic improvements alone have been consistently effective in decreasing delinquency B. teaching parents to monitor their child's behavior is unlikely to have significant effects C. police involvement and increasing arrests is the most effective approach to reducing delinquency D. prevention must start early and take place at multiple levels
Which part of the brain appears to be relatively spared in the aging adult?
A. occipital B. parietal C. amygdalae D. cortex