Discuss the role of quantitative designs for applied nursing studies.  Discuss threats to internal

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Discuss the role of quantitative designs for applied nursing studies. 
Discuss threats to internal and external validity. 
How can these threats be controlled?

Along with Schmidt & Brown, 2019. Kindly cite and provide the appropriate reference and the link if it is online, please. Thank you.

Schmidt, N. & Brown, J. (2019). Evidence-Based Practice for Nurses: Appraisal and Application of Research. (4th ed.). Burlington, MA: Jones & Bartlett Learning.

SCIENCE
HEALTH SCIENCE
NURSING
NURS 460

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