| Models for Thresholds |
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| 1. | Classical
(high threshold) theory |
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| Judgement |
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| (binary) |
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| Threshold |
| Fixed ! |
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| Intrinsic
response |
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| (random) |
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| Noise |
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| Stimulus |
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| (deterministic) |
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| Never detection |
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| without
stimulus! |
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