John is a doctoral candidate who is interested in researching

Essay

Scenario:

John is a doctoral candidate who is interested in researching the role of cultural beliefs and behaviors on healthcare decision making, especially from the perspective of the individual, about their health condition. John’s sample consisted of a diverse population of persons from Africa, Central America, Asia, and the United States. He was contemplating on using the Health Belief Model (HBM) or the Diffusion Health Innovations Model (DHIM) as the conceptual framework for his research. However, he is having issues aligning any of the models with his studies. Assuming you are supervising John: 

1. Explain the HBM and the DHIM to John and justify why any of those two models would be appropriate for his studies.  

2. Discuss what possible methodologies he would use to investigate and try to understand the role of any of these models.

3. What ethical concerns should John have regarding the participation of human subjects in a study of this nature?

4. Based on the results, John intends to improve the health condition of a community comprising a  diverse population demographic. Describe the challenges one would face in improving health for a population and implement a preventative strategy.

Write a 2-3 pages paper addressing the items above with at least six peer-reviewed references written in APA format. Your references must be peer-reviewed less than five years old.