English
 
User Manual Privacy Policy Disclaimer Contact us
  Advanced SearchBrowse

Item

ITEM ACTIONSEXPORT
  Primacy and frequency effects in absolute judgments of visual velocity

Sokolov, A., Pavlova, M., & Ehrenstein, W. (2000). Primacy and frequency effects in absolute judgments of visual velocity. Perception & Psychophysics, 26(5), 998-1007. doi:10.3758/BF03212084.

Item is

Basic

show hide
Item Permalink: http://hdl.handle.net/21.11116/0000-0005-E1B2-3 Version Permalink: http://hdl.handle.net/21.11116/0000-0005-E1B3-2
Genre: Journal Article

Files

show Files

Locators

show
hide
Description:
-

Creators

show
hide
 Creators:
Sokolov, A, Author              
Pavlova, M1, 2, Author              
Ehrenstein, WH, Author
Affiliations:
1Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              
2Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              

Content

show
hide
Free keywords: -
 Abstract: In absolute judgment tasks, identical stimuli are rated higher (or lower) when presented in a series of more frequent small (or large) stimuli. Using visual stimuli differing in velocity, we show that this conventional frequency effect is largely modulated by the primacy effect—that is, by the stimuli occurring on the early trials of a run. In Experiment 1, a frequency-like primacy effect was obtained with equal-frequent velocities. Identical velocities were ratedfaster when mainly slow rather than fast ones occurred on initial trials. In Experiment 2, we contrasted the frequency effect and the primacy effect: In runs with frequent slow velocities, mainly fast ones occurred earlier, whereas in runs with infrequent slow velocities, mainly slow ones did so. Lack of differences of ratings in the two conditions suggests that the two effects canceled each other. In Experiment 3, when mainly frequent velocities occurred earlier, the conventional frequency effect was obtained. We conclude that the conventional frequency effect represents a combination of the primacy effect and the pure frequency effect.

Details

show
hide
Language(s):
 Dates: 2000-07
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.3758/BF03212084
 Degree: -

Event

show

Legal Case

show

Project information

show

Source 1

show
hide
Title: Perception & Psychophysics
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: -
Pages: - Volume / Issue: 26 (5) Sequence Number: - Start / End Page: 998 - 1007 Identifier: -