CHLH 304 Exam 1 Questions & Answers 100% Solved

What is a theory. - Answer This is a set of analytical principles or statement designed to structure our observation, understanding, and explanation of the world. It is both descriptive and explanatory. What is a model. - Answer A model typical involves a deliberate simplification of a phenomenon or a specific aspect of a phenomenon. Models need not be completely accurate representations of reality to have value. They are descriptive only, not explanatory. What is the ecological model of health behavior. - Answer This is the shift from belief that perceptions of environment impacted health to emphasis on the direct impacts of the environment. What are the five key principles of the ecological model of health behavior. - Answer 1. There are multiple levels of influence. 2. Environmental contexts are significant determinants of health behaviors. 3. Influences on behaviors interact across levels. 4. Ecological models should be behavior-specific. 5. Multilevel interventions should be most effective in changing behavior.