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Related Experiment Video

Updated: Jun 23, 2026

Olfactory Context Dependent Memory: Direct Presentation of Odorants

Olfactory Context Dependent Memory: Direct Presentation of Odorants

Published on: September 18, 2018

Duration sensitivity depends on stimulus familiarity.

Carey K Morewedge¹, Karim S Kassam, Christopher K Hsee

¹Department of Social and Decision Sciences, Carnegie Mellon University, Pittsburgh, PA 15213, USA. morewedge@cmu.edu

Journal of Experimental Psychology. General

|April 29, 2009

Summary

This summary is machine-generated.

People often ignore how long events last when judging their value, especially for unfamiliar experiences. Familiarity allows for better duration assessment, suggesting duration neglect stems from unfamiliarity.

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Area of Science:

Cognitive Psychology
Behavioral Economics
Decision Science

Background:

Individuals frequently exhibit duration insensitivity when evaluating the value of experienced or hypothetical events.
This insensitivity is hypothesized to stem from a lack of comparison information when stimuli are assessed in isolation.

Purpose of the Study:

To investigate the role of familiarity and evoked comparison information in duration insensitivity.
To determine if duration neglect is a specific instance of broader insensitivity to unfamiliar attributes.

Main Methods:

Three experiments were conducted involving hypothetical and real experiences, as well as auditory stimuli.
Participants' sensitivity to event duration was assessed under conditions of varying familiarity and labeling.

Main Results:

Participants demonstrated duration insensitivity for hypothetical and real unfamiliar experiences.
Sensitivity to duration emerged for familiar experiences and for unfamiliar stimuli (noise) when provided with a familiar label (telephone ring).

Conclusions:

Duration neglect is not a unique phenomenon but rather a manifestation of insensitivity to unfamiliar attributes.
Familiarity and associated comparison information are crucial for accurate duration-based value assessments.