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Direct linkCicchetti, Domenic V. – Journal of Autism and Developmental Disorders, 2014
The author examined critically three beliefs of S.S. Stevens pertaining to his quadripartite system of scales of measurement: (1) There are four scales of measurement in common usage (2) These scales and the scientific disciplines that use them can be incrementally graded for levels of reliability and validity or accuracy such that: Nominal scale…
Descriptors: Pervasive Developmental Disorders, Autism, Predictor Variables, Reliability
Spek, Annelies A.; Scholte, Evert M.; Van Berckelaer-Onnes, Ina A. – Journal of Autism and Developmental Disorders, 2011
Local information processing in 42 adults with high functioning autism, 41 adults with Asperger syndrome and 41 neurotypical adults was examined. Contrary to our expectations, the disorder groups did not outperform the neurotypical group in the neuropsychological measures of local information processing. In line with our hypotheses, the…
Descriptors: Autism, Asperger Syndrome, Cognitive Processes, Adults
Farzin, Faraz; Scaggs, Felicia; Hervey, Crystal; Berry-Kravis, Elizabeth; Hessl, David – Journal of Autism and Developmental Disorders, 2011
Recent insight into the underlying molecular and cellular mechanisms of fragile X syndrome (FXS) has led to the proposal and development of new pharmaceutical treatment strategies, and the initiation of clinical trials aimed at correcting core symptoms of the developmental disorder. Consequently, there is an urgent and critical need for outcome…
Descriptors: Eye Movements, Genetic Disorders, Molecular Structure, Drug Therapy
Limbers, Christine A.; Heffer, Robert W.; Varni, James W. – Journal of Autism and Developmental Disorders, 2009
HRQOL as a multidimensional construct has not been previously investigated in children with Asperger's Syndrome. The objective of the present study was to examine the initial feasibility, reliability, and validity of the PedsQL[TM] 4.0 Generic Core Scales and PedsQL[TM] Cognitive Functioning Scale parent proxy-report versions in school-aged…
Descriptors: Asperger Syndrome, Quality of Life, Measures (Individuals), Cognitive Ability
Pandolfi, Vincent; Magyar, Caroline I.; Dill, Charles A. – Journal of Autism and Developmental Disorders, 2009
Validity studies of measures for emotional and behavioral disorders (EBD) for use with preschool children with autism spectrum disorders (ASD) are lacking. The Child Behavior Checklist 1.5-5 (CBCL; Achenbach and Rescorla, Manual for the ASEBA Preschool Forms & Profiles. VT: University of Vermont, Research Center for Children, Youth, and…
Descriptors: Check Lists, Autism, Test Validity, Behavior Disorders
Zwaigenbaum, Lonnie; Thurm, Audrey; Stone, Wendy; Baranek, Grace; Bryson, Susan; Iverson, Jana; Kau, Alice; Klin, Ami; Lord, Cathy; Landa, Rebecca; Rogers, Sally; Sigman, Marian – Journal of Autism and Developmental Disorders, 2007
Detecting early signs of autism is essential for timely diagnosis and initiation of effective interventions. Several research groups have initiated prospective studies of high-risk populations including infant siblings, to systematically collect data on early signs within a longitudinal design. Despite the potential advantages of prospective…
Descriptors: Infants, Siblings, Autism, At Risk Persons
Mottron, Laurent – Journal of Autism and Developmental Disorders, 2004
A meta-analysis was performed on the 133 cognitive and behavioral papers in autism using comparison groups in the 1999-2002 period. High-functioning (average IQ: 84.7), adolescents (average, 14.4 years) are largely dominant. IQ is the most frequent matching variable in use (51.2%). The instruments that are most frequently used to determine IQ or…
Descriptors: Measurement Techniques, Intelligence Quotient, Asperger Syndrome, Autism
