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Direct linkJonsdottir, Sigridur Loa; Saemundsen, Evald; Jonsson, Brynjolfur Gauti; Rafnsson, Vilhjalmur – Journal of Autism and Developmental Disorders, 2022
The Modified Checklist for Autism in Toddlers, Revised with Follow-up was validated on a population sample in Reykjavik, Iceland. The participants (N = 1585) were screened in well-child care at age 30 months and followed up for at least 2 years to identify autism cases. The sensitivity, specificity, positive and negative predictive values were…
Descriptors: Check Lists, Autism, Toddlers, Clinical Diagnosis
Jensen, Kelly; Noazin, Sassan; Bitterfeld, Leandra; Carcelen, Andrea; Vargas-Cuentas, Natalia I.; Hidalgo, Daniela; Valenzuela, Alejandra; Roman-Gonzalez, Avid; Krebs, Casey; Clement, Vincent; Nolan, Cody; Barrientos, Franklin; Mendoza, Ardi Knobel; Noriega-Donis, Paola; Palacios, Claudia; Ramirez, Andrea; Vittet, Macarena; Hafeez, Emil; Torres-Viso, Mariana; Velarde, Myriam; Moulton, Lawrence H.; Powers, Michael D.; Gilman, Robert H.; Zimic, Mirko – Journal of Autism and Developmental Disorders, 2021
Most children with autism spectrum disorder (ASD), in resource-limited settings (RLS), are diagnosed after the age of four. Our work confirmed and extended results of Pierce that eye tracking could discriminate between typically developing (TD) children and those with ASD. We demonstrated the initial 15 s was at least as discriminating as the…
Descriptors: Autism, Pervasive Developmental Disorders, Disability Identification, Eye Movements
Chericoni, Natasha; Balboni, Giulia; Costanzo, Valeria; Mancini, Alice; Prosperi, Margherita; Lasala, Roberta; Tancredi, Raffaella; Scattoni, Maria Luisa; Molteni, Massimo; Molteni, Massimo; Valeri, Giovanni; Vicari, Stefano; Zoccante, Leonardo; Arduino, Maurizio; Venuti, Paola; Sogos, Carla; Guzzetta, Andrea; Muratori, Filippo; Apicella, Fabio – Journal of Autism and Developmental Disorders, 2021
The capacity of the Child Behavior Checklist 1½-5 (CBCL 1½-5) to identify children with autism spectrum disorder (ASD) at 18 months was tested on 37 children clinically referred for ASD and 46 children at elevated likelihood of developing ASD due to having an affected brother/sister. At 30 months the clinically referred children all received a…
Descriptors: Check Lists, Child Behavior, Infants, Toddlers
Roman-Urrestarazu, Andres; Yáñez, Carolina; López-Garí, Claudia; Elgueta, Constanza; Allison, Carrie; Brayne, Carol; Troncoso, Mónica; Baron-Cohen, Simon – Autism: The International Journal of Research and Practice, 2021
Diagnosis of Autism Spectrum Conditions (ASC) can be an extended procedure since ASC tend to both vary greatly across individual symptoms and diagnostic pathways with serious challenges to opportune access and diagnosis in low resource settings. We adapted the Q-CHAT-25 for use in a routine health check-ups programme at Chilean primary health…
Descriptors: Autism, Pervasive Developmental Disorders, Foreign Countries, Clinical Diagnosis
Toh, Teck-Hock; Tan, Vivian Wee-Yen; Lau, Peter Sie-Teck; Kiyu, Andrew – Journal of Autism and Developmental Disorders, 2018
This study determined the accuracy of "Modified Checklist for Autism in Toddlers" ("M-CHAT") in detecting toddlers with autism spectrum disorder (ASD) and other developmental disorders (DD) in community mother and child health clinics. We analysed 19,297 eligible toddlers (15-36 months) who had "M-CHAT" performed in…
Descriptors: Accuracy, Check Lists, Autism, Pervasive Developmental Disorders
Mayes, Susan D.; Lockridge, Robin – Journal of Autism and Developmental Disorders, 2018
The Checklist for Autism Spectrum Disorder (CASD) completed by a psychologist (following standardized procedures integrating parent interview data, teacher report, and clinical observations) was compared with the CASD completed independently by mothers and teachers in 168 children with ASD and 40 with ADHD (1-12 years). The 30 CASD autism symptoms…
Descriptors: Check Lists, Autism, Pervasive Developmental Disorders, Parent Attitudes
Brennan, Laura; Fein, Deborah; Como, Ariel; Rathwell, Iris Carcani; Chen, Chi-Ming – Journal of Autism and Developmental Disorders, 2016
The Modified Checklist for Autism in Toddlers Revised-Albanian screener (M-CHAT-R-A) was used to screen 2,594 toddlers, aged 16-30 months, at well-child visits. Two hundred fifty-three (9.75%) screened positive; follow up on failed items were conducted by phone with 127 (50%); the remainder were lost to follow-up. Twenty-six toddlers (21%)…
Descriptors: Foreign Countries, Check Lists, Autism, Pervasive Developmental Disorders
Kamio, Yoko; Haraguchi, Hideyuki; Stickley, Andrew; Ogino, Kazuo; Ishitobi, Makoto; Takahashi, Hidetoshi – Journal of Autism and Developmental Disorders, 2015
To determine the best discriminative items for identifying young children with autism spectrum disorders (ASD), we conducted a secondary analysis using longitudinal cohort data that included the Japanese version of the 23-item modified checklist for autism in toddlers (M-CHAT-JV). M-CHAT-JV data at 18 months of age and diagnostic information…
Descriptors: Foreign Countries, Autism, Developmental Disabilities, Young Children
Kamio, Yoko; Inada, Naoko; Koyama, Tomonori; Inokuchi, Eiko; Tsuchiya, Kenji; Kuroda, Miho – Journal of Autism and Developmental Disorders, 2014
To determine whether the Modified Checklist for Autism in Toddlers (M-CHAT) in conjunction with the routine 18-month health check-up identifies Japanese toddlers with autism spectrum disorder (ASD). Two-stage screening using the M-CHAT was conducted with 1,851 children attending the check-up. Final ASD diagnosis was confirmed at age =3 years.…
Descriptors: Foreign Countries, Autism, Pervasive Developmental Disorders, Toddlers
Khowaja, Meena K.; Hazzard, Ann P.; Robins, Diana L. – Journal of Autism and Developmental Disorders, 2015
Parents (n = 11,845) completed the Modified Checklist for Autism in Toddlers (or its latest revision) at pediatric visits. Using sociodemographic predictors of maternal education and race, binary logistic regressions were utilized to examine differences in autism screening, diagnostic evaluation participation rates and outcomes, and reasons for…
Descriptors: Autism, Pervasive Developmental Disorders, Disability Identification, Barriers
Matson, Johnny L.; Kozlowski, Alison M.; Fitzgerald, Mary E.; Sipes, Megan – Research in Autism Spectrum Disorders, 2013
Given the importance of early intervention services for children with autism spectrum disorders (ASD), early diagnosis of children is critical. At present, several ASD screeners exist for young children, with the "Modified Checklist for Autism in Toddlers" ("M-CHAT") being one of the most widely researched. While the "M-CHAT" has good sensitivity…
Descriptors: Pervasive Developmental Disorders, Disability Identification, At Risk Persons, Autism
Armstrong, Rebecca; Whitehouse, Andrew J. O.; Scott, James G.; Copland, David A.; McMahon, Katie L.; Fleming, Sophie; Arnott, Wendy – Journal of Autism and Developmental Disorders, 2017
The current study examined the relationship between early language ability and autistic-like traits in adulthood, utilising data from 644 participants from a longitudinal study of the general population. Language performance at 2 years was measured with the Language Development Survey (LDS), and at 20 years the participants completed the…
Descriptors: Autism, Pervasive Developmental Disorders, Longitudinal Studies, Children
Taylor, Cora M.; Vehorn, Alison; Noble, Hylan; Weitlauf, Amy S.; Warren, Zachary E. – Journal of Autism and Developmental Disorders, 2014
The goal of the current study was to develop and pilot the utility of two simple internal response bias metrics, over-reporting and under-reporting, in terms of additive clinical value within common screening practices for early detection of autism spectrum disorder risk. Participants were caregivers and children under 36 months of age (n = 145)…
Descriptors: Pilot Projects, Autism, Pervasive Developmental Disorders, Caregivers
Sun, Xiang; Allison, Carrie; Auyeung, Bonnie; Matthews, Fiona E.; Baron-Cohen, Simon; Brayne, Carol – Research in Autism Spectrum Disorders, 2013
Little is known about research on Autism Spectrum Conditions (ASC) in mainland China. The few available studies in mainland China have shown the screening and diagnostic instruments for ASC used in mainland China were different from the West. Literature on screening and diagnostic instruments and criteria were reviewed and current available…
Descriptors: Rating Scales, Children, Autism, Foreign Countries
Yama, Brie; Freeman, Tom; Graves, Erin; Yuan, Su; Campbell, M. Karen – Journal of Autism and Developmental Disorders, 2012
This study examines the following properties of the Modified Checklist for Autism in Toddlers (M-CHAT) in an unselected low-risk sample: (a) the maximum age for screen administration; (b) the positive screen rate in the absence of follow-up telephone interviews and; (c) the distributional properties of positive screens. Data came from a…
Descriptors: Check Lists, Autism, Screening Tests, Toddlers
