Perceptual judgments, psychophysics, and biological data (original) (raw)

2007

Abstract

Abstract Biologists sometimes make perceptual judgments when collecting data. For example, a scale of lichen quality or an estimate of amount leaf consumption by beetles might be part of data collection. But how accurate are these estimates? Should one base data collection on perceptual observations? And, should we worry about bias in the observations? Can forest quality be estimated only on a relatively imprecise1–5 scale or a 1–7 scale? Or might more accurate estimates be possible?

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