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Signal Detection Theory
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What is the main assumption of signal detection theory?
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A
Observers are able to make decisions about the presence or absence of a signal, but they are not always optimal.
💡 Explanation:
Signal detection theory assumes that observers are able to make decisions about the presence or absence of a signal, but that these decisions are not always optimal. This is because observers are limited by their sensory abilities and by the amount of information that is available to them.