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Plateau effect : ウィキペディア英語版 | Plateau effect
The plateau effect is a force of nature that lessens the effectiveness of once effective measures over time. The plateau effect is a state that is experienced when the human body fails to respond to exercise that has proven effective in the past, similar to the concept of diminishing returns. A person enters into a period where there is no improvement or decrease in performance. ==Overview== The plateau effect may appear in learning, when students experience a dwindling (less steady) benefit from their learning effort. Studies of elementary school students have found there is a plateau effect in reading level during the upper elementary years.〔Lyster, R.: ''Differential effects of prompts and recasts in form-focused instruction.'' In: ''Studies in Second Language Acquisition'' #26 (2004), pp. 399-432.〕 This effect is shown in the forgetting curve developed by Hermann Ebbinghaus, who established the hypothesis of the exponential nature of forgetting. Ebbinghaus hypothesized that the use the ancient mnemonic device, Method of Loci, and spaced repetition can help overcome the plateau effect. The plateau effect is also experienced in acclimation, which is the process that allows organisms to adjust to changes in its environment. In humans, this is seen when the nose becomes acclimated to a certain smell. This immunity is the body's natural defense to distraction from stimulus. This is similar to drug tolerance, when a person's reaction to a specific drug is progressively reduced, requiring an increase in the amount of the drug they receive. Over the counter medications, in particular, have a maximum possible effect, regardless of dose.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Plateau effect」の詳細全文を読む
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