A puzzle form of a non-verbal intelligence test gives significantly higher performance measures in children with severe intellectual disability
2008

Puzzle Test Improves Performance in Children with Intellectual Disabilities

Sample size: 164 publication Evidence: moderate

Author Information

Author(s): Katrina D. Bello, Nahal Goharpey, Sheila G. Crewther, David P. Crewther

Primary Institution: Swinburne University, La Trobe University

Hypothesis

Children with severe intellectual disabilities will perform better on a puzzle form of the Raven's Coloured Progressive Matrices than on the book form.

Conclusion

The puzzle form of the RCPM is a more reliable measure of non-verbal reasoning in children with severe intellectual disabilities compared to the book form.

Supporting Evidence

  • The puzzle form showed a significantly higher performance and completion rate for children with severe ID compared to the book form.
  • Typically developing children performed similarly on both the puzzle and book forms.
  • The puzzle form was designed to engage sensory attention and limit distractions.

Takeaway

Kids with severe intellectual disabilities can do better on a puzzle test than a regular book test because the puzzle is more fun and easier for them to understand.

Methodology

The study involved two parts: one tested typically developing children on both forms of the RCPM, and the other tested children with severe ID on the puzzle and book forms.

Limitations

Some participants were excluded for not completing the minimum number of items, which may affect the generalizability of the results.

Participant Demographics

Participants included 164 children with severe intellectual disabilities, including those with Autism Spectrum Disorder and Down Syndrome, aged between 5 and 11 years.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2431-8-30

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