L’esperimento del marshmallow è sempre stato uno dei miei preferiti, ma sarebbe fuorviante oggi.
Either our definition of willpower is narrowed and simplified to the point of uselessness (in both research and casual contexts), or it is allowed to continue as an imprecise term, standing in for an inconsistent hodgepodge of various mental functions. Willpower may simply be a pre-scientific idea—one that was born from social attitudes and philosophical speculation rather than research, and enshrined before rigorous experimental evaluation of it became possible. The term has persisted into modern psychology because it has a strong intuitive hold on our imagination: Seeing willpower as a muscle-like force does seem to match up with some limited examples, such as resisting cravings, and the analogy is reinforced by social expectations stretching back to Victorian moralizing. But these ideas also have a pernicious effect, distracting us from more accurate ways of understanding human psychology
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