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What happens when logic and psychology meet?

What happens when logic and psychology meet?

What happens when logic and psychology meet?

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Logic <strong>meet</strong>s <strong>psychology</strong> 8<br />

Marian Counihan<br />

Here’s an example of belief bias at work (Oakhill et al., 1989):<br />

Some of the women are not beautiful<br />

All of the beautiful people are actresses<br />

Some of the women are not actresses<br />

Conclusion believable but invalid yet 46% draw it<br />

vs<br />

Some of the actresses are not beautiful<br />

All of the beautiful people are women<br />

Some of the actresses are not women<br />

Conclusion unbelievable <strong>and</strong> invalid - only 17% draw it.<br />

Universiteit van Amsterdam<br />

Core <strong>logic</strong> course

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