Mounting evidence indicates that in healthy older adults, __________ predict(s) decrements in reaction time and other cognitive abilities

A) faster information processing
B) extent of myelin breakdown
C) faster working-memory
D) increases in perceptual speed

Answer: B

Psychology

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What is a good control group for a research study on people with eating disorders?

A. People who have eating disorders and a wide range of educational backgrounds B. A group that is comparable to the one with eating disorders, except that they eat normally C. A group that is drawn from the sample of people with eating disorders D. People who used to have eating disorders but say they no longer do

Psychology

The strongest psychoactive ingredient of opium is __________

Indicate whether the statement is true or false.

Psychology