Like cocaine and amphetamines, affect a person's perception, mood and attention span, and can make the person over-confident and more likely to take risks behind the wheel.
a. depressants,
b. hallucinogens,
c. stimulants,

Stimulants like cocaine and amphetamines, affect a person's perception, mood and attention span, and can make the person over-confident and more likely to take risks behind the wheel. Correct C

These psychoactive drugs increase activity in the brain with short-term effects including intense feelings of happiness, increased energy/sociability and self-esteem, improved attention. Depending on the drug, stimulants can be ingested orally, snorted, smoked, or injected

the psychologist would claim that the research results were significant.

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