Most human cells contain ______ chromosomes in normal developmental cases
a) 46 pairs of
b) 23
c) 23 pairs of
s) 2 pairs of
ANS: C
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You are working in the student placement office when Dr. Heath comes to find a student research assistant. She tells you that she needs a really creative student to assist with the design of her latest project. She asks if the student files show each student's IQ score, because she wants to use that information to make her decision. Based on what is known about creativity and intelligence, you
should: a. tell Dr. Heath that a student's grade point average will provide a more accurate measure of his or her creativity b. pull the files for all students with IQ scores greater than 130, because there is a strong positive correlation between IQ score and level of creativity c. explain that IQ scores and creativity actually have a negative correlation, so she should avoid hiring a student with a high IQ score d. tell Dr. Heath that creativity is only weakly related to intelligence, and IQ score cannot be used to accurately predict a student's overall level of creativity
Although MDMA increases the activity of several neurotransmitters in the brain, it is the ____ pathway that has received the most attention
a. ?dopamine b. ?serotonin c. ?acetylcholine d. ?GABA
The need for cognitive efficiency is very important, but
sometimes it can lead people to poor decision-making. For example, when considering whether or not to buy the latest "miracle diet" program, one should balance cognitive efficiency with A) the principle of Occam's Razor. B) the fact that correlation does not equal causation. C) the fact that extraordinary claims require extraordinary evidence. D) the premise of replicability.
In a __________ schedule, the first response made after a same specific period of time has elapsed brings the reinforcement
a) variable-interval b) fixed-interval c) variable-ratio d) fixed-ratio