What does this research mean for the field?

Variability in estimates of when possibility reasoning emerges in young children is largely driven by task-specific ancillary cognitive demands, such as physical reasoning, action planning, working memory, language, and temporal context. Novelty: ClaimNovelty.SYNTHESIS. Consensus alignment: ConsensusAlignment.NEUTRAL.

What question did this study set out to answer?

To identify task-specific cognitive demands that explain discrepancies in estimated emergence ages for children's possibility reasoning.

September 3, 2026Developmental Psychology

Ancillary cognitive demands impact children’s behavior in common possibility reasoning tasks.

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Authors

ETEsra Nur Turan-Küçük SAStephanie Alderete FXFei Xu

Discussion

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Overview

Methodological review reveals that extraneous cognitive demands distort possibility reasoning assessments in young children, highlighting major challenges in mapping true developmental trajectories.

Key Points

To identify task-specific cognitive demands that explain discrepancies in estimated emergence ages for children's possibility reasoning.
Evaluated non-target cognitive requirements across five standard possibility reasoning paradigms: cups, gumball, slides, branching tube, and playground tasks.
Categorized ancillary demands across five domains: physical reasoning, action planning, working memory, language, and temporal context.
Identified that incidental task requirements systematically impair behavioral performance independently of a child's true capacity to evaluate multiple possibilities.
Demonstrated that variation across ancillary demand dimensions accounts for conflicting timelines reported for the developmental onset of possibility reasoning.

Cite This Study

Turan-Küçük et al. (2026) studied this question.

synapsesocial.com/papers/6a9934ea636c6408cfa7cba2 https://doi.org/10.1037/dev0002258

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September 3, 2026Developmental Psychology

Ancillary cognitive demands impact children’s behavior in common possibility reasoning tasks.

View Full Paper

Ask AI

Bookmark

Authors

ETEsra Nur Turan-Küçük SAStephanie Alderete FXFei Xu

Discussion

Member takes

Overview

Methodological review reveals that extraneous cognitive demands distort possibility reasoning assessments in young children, highlighting major challenges in mapping true developmental trajectories.

Key Points

To identify task-specific cognitive demands that explain discrepancies in estimated emergence ages for children's possibility reasoning.
Evaluated non-target cognitive requirements across five standard possibility reasoning paradigms: cups, gumball, slides, branching tube, and playground tasks.
Categorized ancillary demands across five domains: physical reasoning, action planning, working memory, language, and temporal context.
Identified that incidental task requirements systematically impair behavioral performance independently of a child's true capacity to evaluate multiple possibilities.
Demonstrated that variation across ancillary demand dimensions accounts for conflicting timelines reported for the developmental onset of possibility reasoning.

Cite This Study

Turan-Küçük et al. (2026) studied this question.

synapsesocial.com/papers/6a9934ea636c6408cfa7cba2 https://doi.org/10.1037/dev0002258

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