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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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Martini306 Martini306
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6 years ago
Experimental research is conducted to establish a cause-and-effect relationship. Rival explanations or competing hypotheses that might explain the study results indicate that a study has which situation?
 
  1. Threats to internal validity only.
  2. Threats to internal and external validity.
  3. Threats to external validity only.
  4. Limited generalizability of results.
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MulattaMulatta
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6 years ago
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Martini306 Author
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6 years ago
Thanks
nadiia
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Yesterday
You make an excellent tutor!
Marctheshark
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2 hours ago
Thank you, thank you, thank you!
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