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Related Experiment Video

Updated: Jun 1, 2026

Evidence-based Knowledge Synthesis and Hypothesis Validation: Navigating Biomedical Knowledge Bases via Explainable AI and Agentic Systems
05:47

Evidence-based Knowledge Synthesis and Hypothesis Validation: Navigating Biomedical Knowledge Bases via Explainable AI and Agentic Systems

Published on: June 13, 2025

A semantics-based approach to the "no negative evidence" problem.

Ben Ambridge1, Julian M Pine, Caroline F Rowland

  • 1School of Psychology, University of Liverpool.

Cognitive Science
|May 19, 2011
PubMed
Summary
This summary is machine-generated.

Children learn verb meanings and grammatical rules incrementally. They find causative errors less unacceptable when verbs are more directly caused, supporting a unified learning mechanism.

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Published on: January 29, 2020

Area of Science:

  • Developmental Psychology
  • Linguistic Acquisition
  • Cognitive Science

Background:

  • Children often make argument-structure overgeneralization errors in language learning.
  • Previous research suggests children use verb frequency and syntax-semantics rules to correct these errors.

Purpose of the Study:

  • To test a new theory of language acquisition that integrates verb learning and syntax-semantics correspondences.
  • To investigate how degrees of external causation affect children's judgments of grammatical errors.

Main Methods:

  • Seventy-two participants (children aged 5-6, 9-10, and adults) rated grammatical errors.
  • Errors varied in the degree of direct external causation presented.

Main Results:

  • Errors with higher degrees of direct external causation were rated as less unacceptable.
  • This finding supports a model where learning is incremental and probabilistic.

Conclusions:

  • Children's language acquisition likely involves a unified learning mechanism combining verb-specific knowledge and general linguistic principles.
  • This mechanism allows children to adjust grammatical generalizations based on the compatibility between verb meaning and constructional meaning.