Harder Than You Think: How Outside Assistance Leads to Overconfidence
Matthew Fisher, Daniel M. Oppenheimer
Psychological Science · 2021 · Volume 32 · Issue 4
Abstract
Cognitive ability consists not only of one’s internal competence but also of the augmentation offered by the outside world. How much of our cognitive success is due to our own abilities, and how much is due to external support? Can we accurately draw that distinction? Here, we explored when and why people are unaware of their reliance on outside assistance. Across eight experiments ( N = 2,440 participants recruited from Amazon Mechanical Turk), people showed improved metacognitive calibration when assistance occurred after a delay or required active choice. Furthermore, these findings apply across a wide range of cognitive tasks, including semantic memory (Experiments 1a and 1b), episodic memory (Experiments 2a and 2b), and problem solving (Experiments 3a–3d). These experiments offer important insights into how we understand our own abilities when we rely on outside help.
Keywords
metacognition, illusions of knowledge, augmented cognition, open data, open materials, preregistered
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