Directions: Using the online library, locate three articles, one quantitative, one qualitative, and one mixed-method related to your DPI topic. Create a comparison table, using correct APA formatting,

Directions:

Using the online library, locate three articles, one quantitative, one qualitative, and one mixed-method related to your DPI topic.

Create a comparison table, using correct APA formatting, to describe the methodology and design used within each article. The table will be provided as an Appendix to the paper.

Write a 1,000 to 1,250 word paper discussing the different methodologies and designs used in each study.

Discuss the external and internal validity issues associated with each methodology and design.

1.     Discuss the external and internal validity issues associated with each methodology and design.

2.     Describe how using a different methodology or design might have been beneficial for each study and describe why.

3.     Summarize the paper.