Related Experiment Videos
Knowledge is not everything: analysis of children's performance on a haptic comparison task.
Joyce M Alexander1, Kathy E Johnson, James B Schreiber
1Department of Counseling and Educational Psychology, 201 N. Rose Ave. Room 4018, Indiana University, Bloomington, IN 47405-1006, USA. joalexan@indiana.edu
Journal of Experimental Child Psychology
|September 13, 2002
Summary
Older children with more dinosaur knowledge made fewer errors when identifying objects by touch. However, high knowledge also led to more errors due to a hypothesis testing strategy, showing developmental and knowledge impacts on haptic perception.
Area of Science:
- Developmental Psychology
- Cognitive Science
- Haptic Perception
Background:
- Understanding how children learn and perceive objects through touch is crucial.
- Developmental level and domain-specific knowledge are key factors influencing cognitive abilities.
- Haptic exploration plays a significant role in object concept formation.
Purpose of the Study:
- To investigate the impact of developmental level and domain-specific knowledge on haptic object identification and similarity judgments.
- To examine how children aged 4-9 years use touch to differentiate familiar and unfamiliar objects.
- To analyze the strategies employed during haptic exploration based on age and knowledge.
Main Methods:
- Children aged 4-9 years with varying dinosaur knowledge levels participated.
- A cross-comparison task involved haptically exploring pairs of familiar (dinosaur) and unfamiliar (sea creature) models.
- Models varied in their degree of differentiability to assess exploration strategies.
Main Results:
- Older children explored models more thoroughly and identified more differentiating features, leading to fewer errors.
- High domain-specific knowledge improved correct identification but also increased "miss" errors due to hypothesis testing.
- The hypothesis testing strategy was specific to the high-knowledge domain, as evidenced by control tasks.
Conclusions:
- Both developmental level and domain-specific knowledge significantly influence haptic perception and object concept formation.
- Haptic exploration strategies adapt with age and knowledge, impacting decision-making accuracy.
- Further research is needed to fully understand the interplay between knowledge, development, and tactile exploration.