Third-hand smoke exposure is about a person encountering smoke residue on surfaces rather than breathing in second-hand smoke exhaled by another person.
a. true
b. false
Answer: a. true
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The process in which malignant tumors shed cells that travel to another part of the body, where they initiate new tumor growth, is known as
A. infiltration. B. encapsulation. C. malformation. D. metastasis.
The fact that all dogs in the neighborhood begin to howl at the same time every day while you can't hear anything that might cause this response is probably because the dogs
A. can hear sounds we would classify as infrasound. B. can hear sounds we would classify as ultrasound. C. are disturbed by underground vibrations. D. require more volume before they can hear the same sounds as you do.
The expected frequencies for each category of a chi-square goodness of fit ______.
A. must equal the total N divided by the number of categories B. must be equal for each category C. can differ according to the null hypothesis D. are irrelevant to the calculation of chi-square
Which of the following statements is true of the cognitive interview technique?
a. Police ask witnesses questions and have them rate their confidence level in their recollections. b. Police offer positive reinforcement to witnesses (e.g., "Good, that makes sense.") when the witnesses give information consistent with what is in the police file. c. Police allow witnesses to talk with a minimum of interruption from the officer. d. Police start their interview with simple filler questions to make the witnesses feel comfortable.