It is widely assumed that beliefs in personal determination of outcomes create a sense of efficacy and power, whereas beliefs that outcomes occur regardless of what one does result in apathy
A theory that denies that thoughts can regulate actions does not lend itself readily to the explanation of complex human behavior.
Perceived self-inefficacy predicts avoidance of academic activities whereas anxiety does not
Moreover, joint occurrences tend to be better recalled than instances when the effect does not occur. The proneness to remember confirming instances, but to overlook disconfirming ones, further serves to convert, in thought, coincidences into causalities.
Self-belief does not necessarily ensure success, but self-disbelief assuredly spawns failure.