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Human factors and ergonomics

This factor refers to the self efficacy perception at performing a target behavior. Although low ability is undesirable it may be unavoidable: “We are fundamentally lazy” according to BJ Fogg. In such case behavior change is approached not through learning but instead by promoting target behaviors for which the user has a high ability. Additionally BJ Fogg list several elements or dimensions that characterize high ability or simplicity of performing a behavior:

Time: The user has the time to perform the target behavior or the time taken is very low.
Money: The user has enough financial resources for pursuing the behavior. In some cases money can buy time.
Physical effort: Target behaviors that require of physical effort may not be simple enough to be performed.
Brain cycles: Target behaviors that require of high cognitive resources may not be simple hence undesirable for behavior change.
Social deviance: These comprehend behaviors that make the user socially deviant. These kind of behaviors are not simple
Non-routine: Any behavior that incurs disrupting a routine is considered not simple. Simple behaviors are usually part of routines and hence easy to follow.