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Harry Helson and AdaptationLevel Theory
Psychophysics and Scaling
John F Corso Department of Psychology State University of New York
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adaptation level Adaptation-level theory American Journal American Psychological Association appear approach assigned associated auditory auditory-visual difference average background behavior Bevan cognitive color comparison concept constant context effects contrast effects cross-modal detection theory dimension example experiment Experimental Psychology factors flexible function Gestalt Goldstone gray hedonic hedonic treadmill Helson hysteresis illumination indicated inputs interaction interduration interval interquartile range intersensory difference J. P. Guilford Journal of Experimental Journal of Psychology Judd judged judgments learning lightness linear ordering luminance magnitude mean measure moon illusion Murdock's object pair perceived distance perception personality photographs pleasant pooling position power law preadaptation predicted presented problem Psychological Review psychophysical quantitative reinforcement relative relevance response Restle reward scale sensory series stimuli shift shown social psychology SP curves spatial square Stevens stimulus series subjects task temporal theoretical trials variable verbal visual weights