According to the Goldilocks Rule for habit formation, what level of task difficulty maximizes persistence?

Answer

Behaviors that are challenging but not impossible.

People have the greatest motivation to persist with behaviors that present a manageable challenge—challenging enough to keep the mind engaged, but not so difficult as to cause quitting due to frustration.

According to the Goldilocks Rule for habit formation, what level of task difficulty maximizes persistence?
Balanceprincipleeffectcondition