Study method and procedure Analysis interrater correlation(0.95)by taking data from same parents at least by 2 interviewers 100% was attained for Chat b and Symbolic Play Test Grouped according to chronological and mental age status of health and diagnosis (autism /PDD developmental delay, cerebral palsy, multiple handicaps and normal) Double-blinded and controlled paired up
Study method and Procedure: • Analysis – interrater correlation (>0.95) by taking data from same parents at least by 2 interviewers • 100% was attained for Chat B and Symbolic Play Test – Grouped according to • chronological and mental age • status of health and diagnosis (autism / PDD, developmental delay, cerebral palsy, multiple handicaps and normal) – Double-blinded and controlled paired up
Study method and Procedure: Analysis(continue) For children who have been diagnosed as ad or PDD, results of chat- 3 are compared with the previously charted diagnosis to show the validity For those who hasn't been previously diagnosed as PDd/AD but picked up by CHAT-3 will be assessed using autism diagnostic Interview Revised(AIDR, Catherine lord et al (1994) to confirm the diagnosis
Study method and Procedure: • Analysis (continue) – For children who have been diagnosed as AD or PDD, results of CHAT-3 are compared with the previously charted diagnosis to show the validity – For those who hasn’t been previously diagnosed as PDD / AD but picked up by CHAT-3 will be assessed using Autism Diagnostic InterviewRevised (AIDR, Catherine Lord et al (1994)) to confirm the diagnosis
Result Chronological Age distribution of the subjects Age distribution of the subjects(up to 19/06) .all the children are aged between 18 10 months and 6 years ld youngest: 18 months old Sa. Dev 97.Eldest: 59 months an=349 Id 7522527.532537542.547.552.5575 20.025030035.040045.050055.0600 Aged between 18 Age at test(mos) and 36 months 609%
Result: Chronological Age distribution of the subjects: •All the children are aged between 18 months and 6 years old. •Youngest: 18 months old •Eldest: 59 months old •Aged between 18 and 36 months: 60.9% Age at test (mos) 60.0 57.5 55.0 52.5 50.0 47.5 45.0 42.5 40.0 37.5 35.0 32.5 30.0 27.5 25.0 22.5 20.0 17.5 Age distribution of the subjects (up to 19/06) 12 10 8 6 4 2 0 Std. Dev = 9.77 Mean = 34.9 N = 92.00
Symbolic play Test-Age Symbolic Play Test-Age(months 12 10 727 Mean = 25.0 N=10900 SPT(Age
Symbolic Play Test - Age SPT (Age) 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 28.0 30.0 32.0 34.0 36.0 Symbolic Play Test - Age (months) 12 10 8 6 4 2 0 Std. Dev = 7.27 Mean = 25.0 N = 109.00
Reynell - Age Reynell Verbal Expression Age (yr. mo Reynell Expressive Expression Age ( yr. mo) Msng1.0301.10020302080300030403.10540104095 Msng1.0301.1002050211030604.0056.550 0101080201020602.1003020308036004040 1.0001.0702010208030203.1004.055 verbal exp expressive e为p
Reynell - Age Reynell Verbal Expression - Age (yr.mo) verbal exp 4.095 4.040 4.010 3.600 3.105 3.080 3.040 3.020 3.000 2.100 2.080 2.060 2.030 2.010 1.100 1.080 1.030 1.010 Missing Count 10 8 6 4 2 0 Reynell Expressive Expression - Age (yr.mo) expressive exp 6.550 4.055 4.005 3.100 3.060 3.020 2.110 2.080 2.050 2.010 1.100 1.070 1.030 1.000 Missing Count 12 10 8 6 4 2 0