Chemicals that are used to communicate between neurons are ____
a. neurotoxins
b. neurocommunicators
c. neurotransmitters
d. neurochems
Answer: C
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Which ethnic group tends to have fewer two-parent families?
a. Latino families b. European-American families c. Asian families d. Ethnicity is unrelated to parent configuration
Which of the following assumptions are common to all parametric statistics?
a. There are no common assumptions. b. The population of dependent scores forms a normal distribution, regardless of what kind of scores they are. c. The dependent scores must be interval or ratio scores, regardless of whether the population of scores forms a normal distribution. d. The population of dependent scores (a) must be interval or ratio scores and (b) must form an approximately normal distribution.
If there are two independent variables in a repeated measures factorial experiment, and one variable has three levels while the other has 4 levels, how many degrees of freedom are associated with the numerator of the F ratio of the interaction of the variables?
a. 6 c. 12 b. 7 d. can't say without more information
Which of the following is not a reason given for causing the "I'm Stuck" syndrome?
a. international political climate b. do not want to displease others c. fear of taking risks d. ethnic or racial discrimination