Evidence map›Paper›PMID 41689659›Full record

ArticleAnimal cognition2026

Waiting for reward: preference for signalled delays increases with average wait time.

Margaret A McDevitt, Jeffrey M Pisklak, Roger M Dunn, Marcia L Spetch

Abstract read
In one paragraph

Article in Animal cognition, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

1 citing paper in PubMed.

  1. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Margaret A McDevittDepartment of Psychology, McDaniel College, Westminster, USA.
Jeffrey M PisklakDepartment of Psychology, University of Alberta, Edmonton, Canada.
Roger M DunnSan Diego State University, San Diego, USA.
Marcia L SpetchDepartment of Psychology, University of Alberta, Edmonton, Canada. mspetch@ualberta.ca.

Funding

Natural Sciences and Engineering Research Council of Canada Grant Number 2020-03933
6 · The paper itself

Abstract

When rewards occur after a delay, signals that the wait will be shorter than average can be valuable. A recent study by Macias et al. (2024) found that pigeons preferred an alternative providing signals for a short or long delay to food over an alternative that provided no signals about delay. Preference for the signalled alternative increased with increases in the ratio of the long to short delay, with the average delay held constant. Here we report a preregistered experiment that tested the effect of changing the average delay, with the ratio of long to short delays held constant. Pigeons preferred the signalled alternative, and this preference was higher at longer delays (20 s and 40 s) than shorter delays (2 s and 4 s). This finding is opposite to the predictions from the modified Delta-Sigma model proposed by Macias et al., but fits well with predictions of the Signal for Good News (SiGN) model, which assumes that signals for a reduction in delay to reward reinforce choice.

Indexed as

Choice BehaviorColumbidaeRewardAnimalsReinforcement, PsychologyTime FactorsChoicePigeonSignalsSiGN modelTemporal context

Identifiers

PMID41689659
PMCPMC12913260

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.