In the analogy comparing variance to the picture on a television screen, error variance is analogous to
a. the picture
b. static or snow
c. the soundtrack
d. shifts in the picture
e. a blank screen
b
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Most of the known neurotransmitters are synthesized from amino acids
a. True b. False Indicate whether the statement is true or false
Regarding psychological health, marijuana
a. has a positive effect. b. can cause permanent problems with anxiety and depression. c. may precipitate schizophrenia in those with a genetic vulnerability. d. has long-term negative effects on cognitive functioning.
According to your textbook, which of the following is a FALSE statement concerning HIV and AIDS?
a. AIDS affects persons of all sexual orientations. b. One can get AIDS from sharing drinking glasses or eating food prepared by an infected person. c. The first symptoms of AIDS may show up as little as two months after infection, but they typically do not appear for ten years. d. For at least the first six months after becoming infected, a person can test negative while carrying the virus.
Regarding the experiment in which smoke was blown into a room, which of the following statements is FALSE?
a. The results of the experiment lend support to the idea that in real emergencies, people underestimate the need for action as each person attempts to appear calm. b. Participants working in groups politely kept their eyes on their papers and avoided looking at others or the smoke. c. When the participants working in groups noticed the smoke, they looked to other people for clues as to what was happening. d. The participants working alone in the room were more likely to wait before responding to the smoke.