Distinguish between psychophysical and psychological scaling.
Answers
Psychophysical scaling refers to the process of quantifying psychological events, especially sensations and perceptions. Scaling requires both a set of empirical operations and a theoretical framework to derive the quantitative values or representations. Scaling. Scaling is the branch of measurement that involves the construction of an instrument that associates qualitative constructs with quantitative metric units. Scaling evolved out of efforts in psychology and education to measure "unmeasurable" constructs like authoritarianism and self esteem.
but Psychophysics is the scientific study of the relationship between stimuli (specified in physical terms) and the sensations and perceptions evoked by these stimuli. The term psychophysics is used to denote both the substantive study of stimulus-response relationships and the methodologies used for this study.