Stimulus and Response Generalization: A Stochastic Model Relating Generalization to Distance in Psychological Space  

Oleh:

Shepard, Roger N.

Jenis: Article from Journal - e-Journal
Dalam koleksi: Psychometrika: A Journal of Quantitative Psychology vol. 22 no. 4 (Dec. 1957), page 325-345.
Topik: Characterization o] the S-S and R-R Processes; Stimulus and Response Weights; Resolution of Psychological Distance into Orthogonal Coordinates; Problems of Estimation
Fulltext: Vol 22 No. 4 Dec 1957 p.325-345.pdf (995.4KB)

Isi artikel

A mathematical model is developed in an attempt to relate errors in multiple stimulus-response situations to psychological inter-stimulus and inter response distances. The fundamental assumptions are (a) that the stimulus and response confusions go on independently of each other, (b) that the probability of a stimulus confusion is an exponential decay function of the psychological distance between the stimuli, and (c) that the probability of a response confusion is an exponential decay function of the psychological distance between the responses. The problem of the operational definition of psychological distance is considered in some detail.

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