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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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bu2fusul bu2fusul
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6 years ago
The nurse researcher designed a study examining anxiety among elementary school children.
 
  If a widely publicized murder of a child occurred in the city during the time frame of the study, what type of threat to internal validity would the murder represent?
  a. Maturation
  b. Instrumentation
  c. Selection bias
  d. Historical
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Findingskate61Findingskate61
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6 years ago
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bu2fusul Author
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#2
6 years ago
Good timing, thanks!
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