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yanamae yanamae
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6 years ago
In Sheldon Cohen's research on the common cold, all participants received a cold virus injection and after a week,
 
  A) all of the participants in the study had developed a cold.
  B) only some of the participants in the study caught a cold.
  C) only the healthy participants in the study caught a cold.
  D) only those with recent stressful experiences got a cold.
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xballaxballa
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6 years ago
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