I'm reviewing this article and trying to determine how these authors chose to use data collection in the way they selected:

Here is the article

Understanding racial differences in attitudes about public health efforts during COVID-19 using an explanatory mixed methods design

Paige Nong,^a,Minakshi Raj,^bMarie Grace Trinidad,^dZachary Rowe,^c and Jodyn Platt^d

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Here is the link

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8425672/

Question:

• How theses authors integrated quantitative and qualitative data in this study.
• Is the method of the study appropriate. I cannot determine?
• Explain how the integrated methods used in this can inform and guide other researchers with their studies.