To match or not to match? Methodological issues in autism-related research.

@article{Jarrold2004ToMO,
  title={To match or not to match? Methodological issues in autism-related research.},
  author={Christopher Jarrold and Jon Brock},
  journal={Journal of autism and developmental disorders},
  year={2004},
  volume={34 1},
  pages={81-6}
}
Studies of autism typically adopt a factorial matched-groups design aimed at eliminating nonspecific factors such as mental retardation as explanations of performance on experimental tasks. This paper reviews the issues involved in designing such studies and interpreting their results and suggests that the best approach to matching may be to equate performance on carefully designed control tasks. However, we also argue that the interpretation of such studies is often complicated by the fact… CONTINUE READING

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