Part I:

What is the main advantage and disadvantage of utilizing the SCT construct of goal formation?

Part II:

What is self-efficacy and why is it important in health behavior promotion efforts?  What are key factors about self-efficacy that could help a public health practitioner (or another health professional) in working with someone on trying to change a health behavior? What are the challenges when trying to address self-efficacy?

See textbook attached which can be used as a reference and add other reliable references.