Many equations have since been proposed to approximate forgetting, perhaps the simplest being an exponential curve described by the equation:[15]

$${\displaystyle R=e^{-{\frac {t}{S}}},}$$

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Forgetting curve - Wikipedia
nformation.[14] There is considerable research in this area as it relates to eyewitness identification testimony, and eyewitness accounts are found demonstrably unreliable.[14] Equations[edit ] <span>Many equations have since been proposed to approximate forgetting, perhaps the simplest being an exponential curve described by the equation:[15] R = e − t S , {\displaystyle R=e^{-{\frac {t}{S}}},} where R {\displaystyle R} is retrievability (a measure of how easy it is to retrieve a piece of information from memory), S {\displaystyle S} is stability of memory (determines how fast