Nature has provided the potential to carry out various kinds of "natural experiments" in the form of
a) genotypes.
b) twins.
c) phenotypes.
d) genetics.
b
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Of the following, the correlation coefficient that indicates the weakest relationship between the two variables being measured is
a. +0.95. b. -0.69. c. +0.01. d. -4.50.
An advantage to the use of Z scores in correlation is that
a. it makes it easier to find the best fitting line. b. it reduces the number of scores that must be plotted to find the regression line. c. it is the only format in which one can determine the magnitude of a relationship. d. it eliminates the need to find the intercept.
Zach comes home past his curfew and is yelled at by his parents. If, as a result of being yelled at, Zach never comes home late again it would be an example of ____________
a. positive punishment b. positive reinforcement c. negative punishment d. negative reinforcement
Which of the following best describes association areas?
A) The left and right hemispheres of the brain that duplicate each other's functions B) Areas of the limbic system that are primarily involved in motor activity C) Areas of the cerebral cortex that are not primarily involved in sensation or motor activity D) The part of the parietal lobe that acts as the brain's executive center