Psychology 365 Lecture 27 (March 30) posted

Psychology 365 Lecture 27 (March 30) posted - Outline...

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Outline Judgment (Chapter 12) Pseudo-Quiz Biases Availability Representativeness Anchoring Focusing Reading for today: Chapter 12 Reading for next lecture: Chapter 12
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Big Q: Do humans demonstrate logical judgment? No. Influenced by several factors/biases: judgment influenced by our desire to conserve cognitive effort limits the alternatives we can think of and information we use in making judgment What are the pitfalls or biases in human decision-making? Judgment
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make judgments based on information readily available in memory tends to influence frequency estimates Availability
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e.g.,: Gifford-Jones’ (1977) medical textbook: “I recall operating some time ago with a former professor of gynecology at Harvard. He was in a rather philosophical mood and was pondering the pros and cons of what to do with the ovaries. “Sometimes whether or not I remove the ovaries depends on what has happened to me in the last few weeks”, he said. “If I’ve watched a patient die from cancer of the ovary, I often remove them. But if I’ve been free of this experience for a while, I’m more inclined to leave them in.” availability affected medical decision. Availability
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Ps shown either first or second equation for 5 seconds Task: estimate product Availability 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 = ? 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 = ?
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Psychology 365 Lecture 27 (March 30) posted - Outline...

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