Researcher

Year

Criteria

Grade

Goals and objectives

Study context

Sample

Methodology

Data

The results of the study are validated

Christian, D.

2011

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A

Susan, V. B.

2012

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B

Richard, H. M.

2014

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A

Mayfield, V.M., Garrison-Wade, D.

2015

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A

Lori, C. A., Minda Morren, L.

2015

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B

Michele, E. et al

2016

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A

Amy, J. S. et al.

2017

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B

Thomas, A. L. et al.

2017

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A

Gerg, V.

2017

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B

Patricia, J. B. et al.

2017

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A

Chezare, A. W.

2018

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A

Laura, K., Christine, A.

2018

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A

Thomas, M.

2018

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A

Amy, J. S.

2018

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A

Sylvia, L.-T., et al.

2018

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A