The impure residue left after boiling away a solution of cocaine hydrochloride and baking soda is
A) crack.
B) smack.
C) lidocaine.
D) procaine
E) both A and B
Answer: A
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When findings from a study are likely to generalize to other people and other settings, the study is said to have ____
a. external validity b. internal validity c. construct validity d. mundane realism
While sitting in her playpen, four-month-old Kiko watches her cat knock a lamp off a dresser. As the lamp begins to fall, Kiko seems to know that the lamp will drop straight to the floor. This knowledge appears to indicate that Kiko instinctively understands
a. Piagetian laws of object permanence. b. Skinnerian laws of reinforcement. c. Newtonian laws of object motion. d. Freudian laws of ego formation.
A researcher records how well children score on a health test designed to help the children do well. The percent of correct responses is recorded. What type of quasi-experimental research design is described in this example?
A. nonequivalent control group posttest-only design B. one-group posttest-only design C. one-group pretest-posttest design D. nonequivalent control group pretest-posttest design
Melanie was extremely impressed when she first met Jason. He seemed self-confident and highly successful. After dating him for several weeks, however, Melanie realized that Jason tended to exaggerate his accomplishments and was totally absorbed with himself. Jason's behaviour is consistent with which personality disorder?
A) histrionic B) narcissistic C) obsessive-compulsive D) antisocial