Banks et al showed that spatial frequency selectivity of visual masking was:
a. Present at birth
b. Present at 6 weeks
c. Present at 12 weeks
d. Absent at 12 weeks
c. Present at 12 weeks
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Researchers dropped 100 unsealed envelopes containing money around the campus of a Swedish university. Half the letters were addressed to a person with a common Swedish surname (A. Andersson), whereas the other half of the letters were addressed to a person with a common Muslim surname (A. Abdullah). The researchers found that ____
a. more than half of the envelopes with a Swedish surname were returned while slightly over one-third of those with a Muslim surname were b. nearly all of the envelopes were returned, regardless of the surname c. almost none of the envelopes were returned, regardless of the surname d. nearly all of the envelopes with a Swedish surname were returned, while slightly over half of those with a Muslim surname were
When the results are statistically significant, this means _________
a. the obtained probability is equal to or less than alpha b. the independent variable has had a large effect c. we can reject H0 d. the obtained probability is equal to or less than alpha and we can reject H0
When taken by people without ADHD, drugs commonly used to treat the disorder
A. have the opposite effect, reducing their ability to concentrate. B. produce slower buildup of tolerance. C. have no effect. D. have similar effects, making them commonly abused.
The conscious is
A) the part of your mind that is immediately aware of your surroundings and your thoughts at any given moment, and is experienced by you as your own private "stream of consciousness." B) the largest part of the mind, containing repressed impulses, emotional conflicts, or painful memories that you want to keep out of awareness. C) a kind of "twilight zone" where at any given moment you are not thinking about something, but you easily could. D) None of the above