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THREE MODELS FOR THE ANALYSIS OF SUBJECTIVE RATIOS
Author(s) -
Sjöberg Lennart
Publication year - 1971
Publication title -
scandinavian journal of psychology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.743
H-Index - 72
eISSN - 1467-9450
pISSN - 0036-5564
DOI - 10.1111/j.1467-9450.1971.tb00626.x
Subject(s) - similarity (geometry) , psychology , statistics , econometrics , social psychology , mathematics , artificial intelligence , computer science , image (mathematics)
SJÖBERG, L. Three models for the analysis of subjective ratios. Scand. J. Psychol. , 12, 217–240.–Circular area and heaviness were judged under four response modes: free ratio, per cent, similarity, and multiple estimation. Three log linear models were suggested for these data, each new model bringing in more free parameters to be fitted and assuming less strict types of invariance of subjective values. The most demanding, and traditional, model frequently had to be rejected. This “inconsistency” could be attributed both to the factor of relative size of the two stimuli in a comparative judgment and to the fixed vs. free factor. As a byproduct it was found that the Eisler‐Ekman “similarity equation” was not supported by these data.