Adaptation-Level as Frame of Reference for Prediction of Psychophysical Data

Helson, Harry

doi:10.2307/1417326

Cited by 459 publications

(319 citation statements)

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“…Parducci does not define the specific valuation function within the range-frequency model. In contrast, Helson's (1964) adaptation-level theory includes the psychophysical function as part of the model. Specifically, adaptation-level theory is based on Fechner's law (1860), in which the sensation scale is a logarithmic function of the stimulus values.…”

Section: The Valuation Functionmentioning

confidence: 99%

“…In adaptation-level theory (Helson 1947(Helson , 1964, stimulus values are judged within a frame of reference. Equation 2 shows one version of Helson's model (Helson 1964;Marks and Algom 1998;Wedell 1995). This is a linear model, in which the constants a and b represent the intercept and slope, respectively.…”

Section: The Integration Functionmentioning

confidence: 99%

“…It should be noted that the adaptation level is often described as the geometric mean rather than the arithmetic mean (Helson 1964;Marks and Algom 1998). This conceptualization is based on the idea that the value function is logarithmic, where the arithmetic mean of the subjective values (S ik 's) is equivalent to the geometric mean of the physical values ($ ik 's).…”

Section: The Integration Functionmentioning

confidence: 99%

“…This standard, or adaptation level, is context sensitive, as it is conceived as the mean of the stimuli presented within a contextual set (Helson 1964;Wedell 1995). Following this view, the reference price that consumers use to evaluate a product is a weighted average of the prices from the relevant category (Monroe 1990).…”

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confidence: 99%

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Reference Price and Price Perceptions: A Comparison of Alternative Models

Niedrich¹,

2001

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Reference price effects on consumer price perceptions are often explained by Helson's adaptation-level theory, in which the cognitive representation of reference price is the prototype of the relevant category. However, recent conceptualizations and empirical evidence suggest the possibility of an exemplar model, which may be specified using Volkmann's range theory or Parducci's range-frequency theory.In two experiments, these three contextual models of reference price effects are pitted against one another. Based on the MANOVA and model fitting, range-frequency theory accounted for reference price effects that the other theories could not, suggesting that consumers compare the target price against specific members of the category rather than the category prototype. A third experiment demonstrated that range and frequency effects are moderated by the stimulus presentation condition, suggesting that consumers place greater weight on extreme prices anchoring the range for internal reference prices than for external reference prices.

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Section: The Valuation Functionmentioning

confidence: 99%

Section: The Integration Functionmentioning

confidence: 99%

Section: The Integration Functionmentioning

confidence: 99%

mentioning

confidence: 99%

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Reference Price and Price Perceptions: A Comparison of Alternative Models

Niedrich¹,

2001

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“…As a formulation of central tendency, there is a theory of adaptation level proposed by Helson (1947). Adaptation level is a function of all the stimuli acting upon the organism at any given moment as well as past.…”

Section: Introductionmentioning

confidence: 99%

Central Tendency of Decision Making under Uncertainty

Nakamura

1987

Behaviormetrika

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Studies on intuitive perceptual judgment have shown central tendency of judgment on a series of stimuli. In those studies, it is critical that the range of judgmental objects be restricted. Therefore in a restricted range of judgmental objects, judgment with prize is also expected to have central tendency, although it has not been examined to date. This paper examines central tendency of decision making under uncertainty which consists of probability and prize. The decision making problem is the choice between two alternatives on the basis of an event observed in the restricted range. The optimal decision criterion was simulated by using statistical decision theory, and the decision criterion by subjects was experimentally investigat ed. The analysis comparing the experimental result to the simulation result showed that the criterion decided by subjects had central tendency. As a factor of central tendency, score for outcomes, or loss function, was shown to play an important role.

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The development of intelligent behavior VI: J. McV. Hunt

Rowland

McGuire

1969

Psychol. Schs.

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Adaptation-Level as Frame of Reference for Prediction of Psychophysical Data

Cited by 459 publications

References 0 publications

Reference Price and Price Perceptions: A Comparison of Alternative Models

Reference Price and Price Perceptions: A Comparison of Alternative Models

Central Tendency of Decision Making under Uncertainty

The development of intelligent behavior VI: J. McV. Hunt

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