Self-Efficacy Is an Important Construct in Physical Activity Behaviour

Self-efficacy is an important construct in physical activity behaviour. Which of these statements best describes self-efficacy?

A) A belief that performing an activity will produce the desired outcome.
B) A belief that one possesses the skills and attributes to undertake a specific behaviour.
C) A belief in one's ability to undertake a specific behaviour, which will produce the desired outcome.
D) A belief that one can achieve a desired outcome with the use of an efficacious method.