The difference threshold is defined as the stimulus level at which a change in a sensory signal is detected _____ percent of the time

An explanation for behavior focusing on the surrounding situation is known as __________ attribution

a. fundamental b. interpersonal c. internal d. external

Approximately how many deaths are a result of Alzheimer's disease annually in the U.S.?

a) 150,000 b) 50,000 c) 100,000 d) 75,000