In Alzheimer's patients, plaques and tangles found in the ___ lobes disrupt connections between the hippocampus and other structures

When psychologists talk about ________, they are referring to the range of test scores that falls one standard deviation above or below the mean IQ score of 100.

a. average intelligence b. mild mental retardation c. above average intelligence d. moderate mental retardation

I have 30 scores from 15 subjects in two-group within-subject research. The df for correlated t is 14.

a. true b. false