Stevens 1957: perceived intensity S = k I^n where exponent n depends on modality (loudness 0.67, brightness 0.33, electric shock 3.5). Generalises Weber-Fechner logarithm; magnitude-estimation experiments yield consistent power-law fits…
Stevens 1957: perceived intensity S = k I^n where exponent n depends on modality (loudness 0.67, brightness 0.33, electric shock 3.5). Generalises Weber-Fechner logarithm; magnitude-estimation experiments yield consistent power-law fits…