%0 Journal Article %1 allison2007thesample. %A Allison, C %A Williams, J %A Scott, F %A Stott, C %A Bolton, P %A Baron-Cohen, S %A Brayne, C %C University of Cambridge, UK. cla29@cam.ac.uk %D 2007 %J Autism %K imported %N 2 %P 173--185 %R 10.1177/1362361307075710 %T The Childhood Asperger Syndrome Test (CAST): test-retest reliability in a high scoring sample. %U http://www.ncbi.nlm.nih.gov/pubmed/17353217 %V 11 %X The Childhood Asperger Syndrome Test (CAST) is a 37-item parental self-completion questionnaire designed to screen for high-functioning autism spectrum conditions in epidemiological research. The CAST has previously demonstrated good accuracy for use as a screening test, with high sensitivity in studies with primary school aged children in mainstream schools. This study aimed to investigate test-retest reliability of the CAST in a high scoring sample. To this end, 73 parents filled in the second CAST (CAST-2) within approximately 2 months of the first administration of the CAST (CAST-1). Agreement above and below the cut-point of 15 was investigated. The kappa statistic for agreement (<15 versus > or =15) was 0.41. It was found that 70 percent (95% CI: 58, 80) of children did not move across the cut-point of 15. The correlation between the two test scores was 0.67 (Spearman's rho). The CAST shows moderate test-retest reliability in a high scoring sample, further evidence that it is a relatively robust screening tool for epidemiological research.

@article{allison2007thesample., abstract = {The Childhood Asperger Syndrome Test (CAST) is a 37-item parental self-completion questionnaire designed to screen for high-functioning autism spectrum conditions in epidemiological research. The CAST has previously demonstrated good accuracy for use as a screening test, with high sensitivity in studies with primary school aged children in mainstream schools. This study aimed to investigate test-retest reliability of the CAST in a high scoring sample. To this end, 73 parents filled in the second CAST (CAST-2) within approximately 2 months of the first administration of the CAST (CAST-1). Agreement above and below the cut-point of 15 was investigated. The kappa statistic for agreement (<15 versus > or =15) was 0.41. It was found that 70 percent (95% CI: 58, 80) of children did not move across the cut-point of 15. The correlation between the two test scores was 0.67 (Spearman's rho). The CAST shows moderate test-retest reliability in a high scoring sample, further evidence that it is a relatively robust screening tool for epidemiological research.}, added-at = {2013-08-12T12:53:15.000+0200}, address = {University of Cambridge, UK. cla29@cam.ac.uk}, author = {Allison, C and Williams, J and Scott, F and Stott, C and Bolton, P and Baron-Cohen, S and Brayne, C}, biburl = {https://www.bibsonomy.org/bibtex/21bced5af00fd4ad47698443a4f06d4a1/sokratesagogo}, doi = {10.1177/1362361307075710}, interhash = {d2ed9426f9d06b31b5285c3140e6244a}, intrahash = {1bced5af00fd4ad47698443a4f06d4a1}, issn = {1362-3613}, journal = {Autism}, keyword = {Asperger Syndrome}, keywords = {imported}, language = {eng}, month = Mar, number = 2, organization = {England}, pages = {173--185}, pii = {11/2/173}, timestamp = {2013-08-12T12:53:23.000+0200}, title = {The Childhood Asperger Syndrome Test (CAST): test-retest reliability in a high scoring sample.}, url = {http://www.ncbi.nlm.nih.gov/pubmed/17353217}, volume = 11, year = 2007 }