In some studies about alcohol, experimenters provide one group of participants with an alcoholic beverage and another group with a non-alcoholic beverage but the rim of the glass has been spritzed with alcohol
This technique creates a smell and taste similar to an alcoholic beverage, without containing the actual alcohol. The rim-spritzed drinks in this experiment serve as a(n)
a) placebo
b) dependent variable.
c) extraneous variable.
d) statistical test.
A
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Children with higher intelligence show greater increases in knowledge when exposed to intellectual stimulation than children with less intellectual ability exposed to the same level of intellectual stimulation. This illustrates
a. selective breeding b. incomplete dominance c. active gene-environment correlation d. evocative gene-environment correlation e. gene-environment interaction
Christopher is so concerned about the quality of his writing he finds it difficult to complete a paragraph. Which irrational belief is interfering with his ability to write?
a. tyranny of shoulds b. perfectionism c. overgeneralization d. catastrophizing