A) Eating tomatoes covaries positively with cancer risk.
B) Eating tomatoes seems to prevent cancer.
C) Eating tomatoes covaries negatively with cancer risk.
D) Eating more vegetables overall decreases cancer risk.
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Multiple Choice
A) valid;false
B) valid;true
C) invalid;false
D) invalid;true
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Multiple Choice
A) for truly heterogeneous categories.
B) when the sample size is adequate.
C) when the base rates are unknown.
D) for truly homogeneous categories.
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Multiple Choice
A) sometimes risk error in order to gain efficiency.
B) are underused,despite their advantages.
C) protect us from overestimating the frequency of real-life events.
D) ensure step-by-step procedures for finding correct conclusions.
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Multiple Choice
A) "You've only worn that shirt once since I gave it to you!"
B) "I am certain that he is lying."
C) "There certainly are a lot of pizzerias in this neighborhood."
D) "The number of truly caring physicians is getting smaller and smaller."
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Multiple Choice
A) already distrusted John.
B) are surprised by the claim.
C) are surprised to learn John is a politician.
D) are relying on Type 1 thinking.
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Multiple Choice
A) diagnostic information.
B) the prior probabilities.
C) statistical information.
D) information about the random device used to select the test case.
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Multiple Choice
A) has little impact on how participants make judgments outside of the statistics class.
B) improves participants' understanding of statistical principles but does not teach them how to apply the principles to actual cases.
C) helps participants make more accurate judgments,but only if they were explicitly encouraged to apply their statistical knowledge.
D) improves participants' performance in a variety of judgment problems.
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Multiple Choice
A) deduction.
B) induction.
C) confirmation.
D) derivation.
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