One evening when he couldn't sleep, Mr. Bradley turned on the television and saw an infomercial for a new sleep aid. As a critical thinker, Mr. Bradley should be most cautious about this new product if __________.
A. the product has been subjected to an experimental study and the scrutiny of a peer-review process
B. its makers support their claims using the testimonials and anecdotal reports of "ordinary people"
C. its makers discuss scientific investigations that have compared it to other effective sleep aids, rather than relying on testimonials of those with insomnia
D. the results of research connect the efficacy of the sleep aid to other widely accepted scientific findings
Answer: B
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A mother takes her child to the beach on a hot summer day, where she buys her an ice cream cone from a vendor. That evening the child has an upset stomach. The mother says that every time the child eats ice cream she gets a stomachache
The mother needs to be reminded that a. correlation proves causation. c. correlation does not prove causation. b. relationship proves causation. d. experiment does not prove causation.
On a survey of beverages you consumed during the past week, you are presented with the following choices: water, milk, coffee, tea, and soda. What format is being used?
a. open-ended question format b. closed-question format c. stream of consciousness format d. multiple choice format
In a 24-hour period, most preschoolers sleep:
A. fifteen to sixteen hours at night and two hours during the day. B. three to four hours at night and take two naps of three hours each during the day. C. nine to ten hours at night and take a nap of one to two hours. D. eleven to twelve hours at night and six hours during the day.