Explain the three consequences for the drug scene from the tightening of restrictions on amphetamines in the 1960s and 1970s
What will be an ideal response?
First, the market began to sell legal, milder stimulants (usually caffeine or ephedrine) that were virtually indistinguishable to the eye from prescription amphetamines. One could not be prosecuted until new regulations were made that made it illegal to distribute any substance misrepresented as a controlled substance. Second, the price of amphetamines went up and quality declined. Therefore, people went back to using cocaine because it was believed to be less dangerous. Third, the number of illegal methamphetamine laboratories increased.
You might also like to view...
The electroencephalograph is a method of:
A) brain imaging that passes a narrow X-ray beam through the head and measures the structures that reflect the beams from various angles. B) detecting brain waves by means of measuring the current between electrodes placed on the scalp. C) using the Karvonen technique to monitor abnormal heartbeats in a person. D) detecting heartbeats by means of measuring the current between electrodes placed in one's hands.
In classical conditioning, extinction refers to:
a. the return of a conditioned response that had been extinguished, after a period of nonexposure to the conditioned stimulus b. learning that an event signals the absence or nonoccurrence of the unconditioned stimulus c. a procedure that uses an established conditioned stimulus to condition a response to a second, neutral stimulus d. a loss of responding that results from the repeated presentation of a conditioned stimulus without an unconditioned stimulus
Research has shown that there is a correlation between the amount of violence a child sees on TV and the aggressiveness of the child's behaviour. One explanation of this correlation is that children who watch a great deal of violence on television have a lack of adult supervision. This explanation is an example of what kind of correlation?
A) matched sample B) matched pair C) positive D) third-variable
By the school years, __________ U.S. children are, on average, ½ to 1 inch shorter than their __________ counterparts
A) low-SES; economically advantaged B) overweight; average weight C) high-SES; economically disadvantaged D) obese; underweight