Learners' Spontaneous Gesture Before a Math Lesson Predicts the Efficacy of Seeing Versus Doing Gesture During the...

Area of Science:

• Developmental Psychology
• Cognitive Science
• Educational Psychology

Background:

• Gestures, or hand movements accompanying speech, are known to aid problem-solving, learning generalization, and retention in children.
• While producing gestures enhances message comprehension more than observing them, the impact of producing versus observing gestures on deeper learning outcomes like generalization and retention remains unclear.
• Individual differences exist in how children benefit from gesture instruction, suggesting pre-existing factors influence learning from gestures.

Purpose of the Study:

• To investigate whether the act of producing or observing gestures impacts learning, generalization, and retention of mathematical knowledge.
• To examine the role of spontaneous gesturing in children's pre-instructional reasoning as a predictor of learning from gesture.
• To determine if a child's natural tendency to gesture influences their benefit from either producing or observing gestures.

Main Methods:

• Children were divided into two groups based on whether they spontaneously gestured before instruction.
• Participants engaged in mathematical instruction involving either producing gestures, observing gestures, or performing a comparison manipulative action.
• Learning, generalization to new problem-solving contexts, and retention of knowledge over time were assessed for all groups.

Main Results:

• Children who spontaneously gestured before instruction showed improved generalization and retention when they either produced or observed gestures, compared to a manipulative action.
• Children who did not spontaneously gesture showed less effective learning, generalization, and retention from producing gestures compared to the manipulative action.
• This learning deficit in non-spontaneous gesturers was specific to gesture; they still benefited from the comparison manipulative action.

Conclusions:

• A child's propensity to learn from producing gestures is linked to their spontaneous use of gestures.
• Producing gestures is most beneficial for children who naturally gesture, enhancing generalization and retention.
• Findings provide the first evidence that a child's natural communication representational format (gesture) predicts their learning from that same format.