Shifting baseline

A shifting baseline (also known as sliding baseline) is a type of change to how a system is measured, usually against previous reference points (baselines), which themselves may represent significant changes from an even earlier state of the system.

A conceptual metaphor for a shifting baseline is the price of coffee. A cup of coffee may have only cost a $0.05 in the 1950s, but in the 1980s the cost shifted to $1.00 (ignoring inflation). The current (21st century) coffee prices are based on the 1980s model, rather than the 1950s model. The point of reference moved.

单词	Shifting baseline
释义	Shifting baseline 原声例句历年考研英语阅读真题（英语一） They believe the data support an idea current among marine biologists, that of the “shifting baseline.” 他们认为数据恰恰体现了一个海洋生物学家都支持的观点。这个观点就是“改变基线”。英语百科 Shifting baseline A shifting baseline (also known as sliding baseline) is a type of change to how a system is measured, usually against previous reference points (baselines), which themselves may represent significant changes from an even earlier state of the system. A conceptual metaphor for a shifting baseline is the price of coffee. A cup of coffee may have only cost a $0.05 in the 1950s, but in the 1980s the cost shifted to $1.00 (ignoring inflation). The current (21st century) coffee prices are based on the 1980s model, rather than the 1950s model. The point of reference moved.
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