Related Experiment Video
Updated: Jun 1, 2026

Measuring the Functional Abilities of Children Aged 3-6 Years Old with Observational Methods and Computer Tools
Published on: June 20, 2020
Children's human figure drawings do not measure intellectual ability
Emma Willcock1, Kana Imuta, Harlene Hayne
1Department of Psychology, University of Otago, Dunedin 9054, New Zealand.
The Draw-A-Person: Quantitative Scoring System (DAP:QSS) is not a valid measure of children's intelligence. This drawing test produced too many incorrect classifications of intellectual ability, making it unreliable for screening purposes.
Area of Science:
- Child Development
- Psychometrics
- Educational Psychology
Background:
- Children's drawing development follows stages, but progression varies individually.
- Some experts link drawing ability to intelligence.
- The Draw-A-Person: Quantitative Scoring System (DAP:QSS) is often used to assess intellectual abilities.
Purpose of the Study:
- To assess the validity of the DAP:QSS as a measure of intellectual ability in young children.
- To determine if drawing development accurately reflects cognitive functioning.
Main Methods:
- 125 five- and six-year-old children participated in the study.
- Children completed the DAP:QSS and either the Wechsler Preschool and Primary Scale of Intelligence-Revised (WPPSI-R) or the Wechsler Abbreviated Scale of Intelligence (WASI).
- Scores from the DAP:QSS and Wechsler tests were statistically analyzed.
Main Results:
- A statistically significant correlation was found between DAP:QSS scores and Wechsler test scores.
- However, the DAP:QSS produced a high rate of false positives and false negatives for identifying low intellectual functioning.
- Individual child assessments revealed significant discrepancies.
Conclusions:
- The DAP:QSS is not a valid or reliable measure of intellectual ability in children.
- The use of DAP:QSS as a screening tool for intellectual functioning is not recommended.
- Drawing ability does not reliably indicate overall intelligence in this age group.
More Related Videos
Related Concept Videos
Binet's Contribution to Measures of Intelligence
Measures of Intelligence
Validity refers to how well a test measures what it claims to measure. An intelligence test should accurately assess intelligence rather than another characteristic, like anxiety. Criterion validity is one way to evaluate this; it...
Biological Influences on Intelligence
Wechsler's Contribution to Measures of Intelligence
Intelligence
Environmental Influences on Intelligence

