Scaling of ratings: concepts and methods
Thomas Capnor Brown, Terry C. Daniel, Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.)
USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, 1990 - Psychology - 24 pages
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assessed assumed assumptions average baseline ratings baseline stimuli by-observer SBE by-stimulus SBE category boundaries cedures computed condition CPik criteria cumulative proportion Daniel and Boster data sets different observers equal-interval scale grand mean group mean ratings group of observers indicate individual observer individual observer's ratings interval scale interval size differences judgment criterion scale least squares procedure level of measurement linear differences linear transformation mean LSRs mean OARs mean rating assigned mean Z-scores mean Zs median multiple observers nonbaseline ratings nonbaseline stimuli normal distribution number of observers observers of group ordinal level origin and interval origin-adjusted ratings paired-comparison perceived values perception perfectly correlated psychometric model psychophysical rating category rating criterion scale rating OAR rating scale rating session ratings of observer RMRATE SBE procedures SBE*s scale values scores server set of stimuli sets of ratings signal detection theory standard deviation standard scores stimu three observers tion Torgerson 1958 underlying property Z-score procedure