In 2006, it was estimated that over _______________ Americans were using amphetamines or methamphetamines
A) 50 thousand
B) 170 thousand
C) 1 million
D) 10 million
C
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How can a genetic code be altered?
A. Through mitosis B. Through meiosis C. Through mutation D. Through reduction division
Lower sensitivity to alcohol (not feeling shaky on their feet after drinking) can:
a. help decrease the potential to be an alcoholic. b. lead a person to drink greater amounts. c. make an individual not want to bother to drink at all. d. drive addicts to utilize other forms of intoxicants.
The heritability coefficient is calculated from
a. means for the groups being compared. b. the variabilities for the groups being compared. c. correlations within identical twin pairs and within fraternal twin pairs. d. trait estimates by mothers and fathers.
Lesyk and Bebo are arguing about whether playing in a team tug-of-war makes a person work more or less than playing it one on one. Lesyk argues that it makes you loaf because of diffusion of responsibility. Bebo presents the opposite argument; the situation would make you work harder because of
a. the facility reciprocation effect. c. social facilitation. b. the foot-in-the-door technique. d. all of these