Colon cancer screening using colonoscopy, was found to be effective in detecting colon cancer early and improving surviv

[answerhappygod]

Colon cancer screening using colonoscopy, was found to be
effective in detecting colon cancer early and improving survival
rates during the 1990s. However, this new technology was expensive,
few insurance companies paid for it, and some did not trust this
type of test. As a result, disparities in colon cancer death rates
have emerged, with higher rates among those living in rural areas.
This experience is an example of which type of behavior model?
a. diffusion of inovation
b. social cognitive theory
c. health belief model
d. stages of change