Guest guest Posted September 3, 2007 Report Share Posted September 3, 2007 I compared the results of 4 different ABA research studies (which I told you about in a previous post). Here is the raw data: ********************************************************************* * ********** Study: Lovaas, O. I. (1987) Behavioral treatment and normal educational and intellectual functioning in young autistic children Journal of Consulting and Clinical Psychology, 55, 3-9 http://faculty.caldwell.edu/kreeve/Lovaas%201987.pdf Result: 47 percent of young children receiving 40 hours per week of ABA therapy for 2 years achieved IQ's in the normal range and normal school placement. Experimental Group: Size: 19 Treatment: 40 hours per week, 2 years Autism diagnosis: 19 out of 19 Age at diagnosis: 32.0 months (avg) Age at start of treatment: 34.6 months (avg) PMA at start of treatment: 18.8 months (avg) IQ at start of treatment: 54.3 (avg) IQ at end of treatment: 83.3 (avg) Change in IQ: +29.0 (avg) EP at end of treatment: 2.37 (avg) Recovered: 9 out of 19 (average final IQ of 107) Aphasic: 8 out of 19 (average final IQ of 70) Autistic/Retarded: 2 out of 19 (average final IQ of 30) Control Group 1: Size: 19 Treatment: 10 hours per week, 2 years Autism diagnosis: 19 out of 19 Age at diagnosis: 35.3 months (avg) Age at start of treatment: 40.9 months (avg) PMA at start of treatment: 17.1 months (avg) IQ at start of treatment: 41.8 (avg) IQ at end of treatment: 52.2 (avg) Change in IQ: +10.4 (avg) EP at end of treatment: 1.42 (avg) Recovered: 0 out of 19 Aphasic: 8 out of 19 (average final IQ of 74) Autistic/Retarded: 11 out of 19 (average final IQ of 36) Control Group 2: Size: 21 Treatment: non-ABA Autism diagnosis: 21 out of 21 IQ at end of treatment: 57.5 (avg) EP at end of treatment: 1.57 (avg) Recovered: 1 out of 21 (final IQ of 99) Aphasic: 10 out of 21 (average final IQ of 67) Autistic/Retarded: 10 out of 21 (average final IQ of 44) PMA --> prorated mental age EP --> educational placement (3 - normal class, 2 - language delayed, 1 - autistic/retarded) ********************************************************************* * ********** Study: , Jane S., Sparkman, Coleen R., Cohen, G., Green, , & Stanislaw, Harold (2005) A Comparison of Intensive Behavior Analytic and Eclectic Treatments for Young Children with Autism Research in Developmental Disabilities, 26 (4), 359-383 http://www.ctfeat.org/articles/ABAvEclectic.pdf Result: A comparison of three different treatments (ABA, autism special ed, and general special ed) over a period of 14 months showed that ABA treatment outperformed the other two treatments. Intensive Behavior Analytic (IBT) Group: Size: 29 Treatment: 25-40 hours per week of ABA therapy 14.21 months of treatment (avg) adult to child ratio = 1:1 Number of boys: 25 Number of girls: 4 Autism diagnosis: 24 out of 29 PDD-NOS diagnosis: 5 out of 29 Age at start of treatment: 30.86 months (avg) Cognitive score (IQ) at start: 58.54 (avg) Cognitive score (IQ) at end: 89.88 (avg) Change in IQ: +31.34 (avg) Autism Programming (AP) Group: Size: 16 Treatment: 25-30 hours per week of eclectic therapy 13.25 months of treatment (avg) adult to child ratio = 1:2 Number of boys: 13 Number of girls: 3 Autism diagnosis: 12 out of 16 PDD-NOS diagnosis: 4 out of 16 Age at start of treatment: 37.44 months (avg) Cognitive score (IQ) at start: 53.69 (avg) Cognitive score (IQ) at end: 62.13 (avg) Change in IQ: +8.44 (avg) Generic Programming (GP) Group: Size: 16 Treatment: 15 hours per week of special education 14.75 months of treatment (avg) adult to child ratio = 1:6 Number of boys: 16 Number of girls: 0 Autism diagnosis: 9 out of 16 PDD-NOS diagnosis: 7 out of 16 Age at start of treatment: 34.56 months (avg) Cognitive score (IQ) at start: 59.88 (avg) Cognitive score (IQ) at end: 68.81 (avg) Change in IQ: +8.93 (avg) ********************************************************************* * ********** Study: Sallows, Glen O. & Graupner, Tamlynn D. (2005) Intensive Behavioral Treatment for Children with Autism: Four-Year Outcome and Predictors American Journal on Mental Retardation, 110 (6), 417-438 http://www.ctfeat.org/articles/AmericanJournalMentalRetardatio nNov2005.pdf Result: A comparison of a clinic-directed ABA program consisting of 37 hours per week of ABA for 35 months versus a parent-directed ABA program consisting of 31 hours per week of ABA for 37 months showed that the parent-directed ABA program was just as good as the clinic- directed ABA program. Clinic-directed Group: Size: 13 Treatment: 38.60 hours per week - 1st year (avg) 36.55 hours per week - 2nd year (avg) 35.00 months of treatment (avg) Number of boys: 11 Number of girls: 2 Autism diagnosis: 13 out of 13 Number of nonverbal kids: 8 out of 13 Age at pre-test: 33.23 months (avg) Age at post-test: 83.23 months (avg) IQ at start of treatment: 50.85 (avg) IQ at end of treatment: 73.08 (avg) Change in IQ: +22.23 (avg) Parent-directed Group: Size: 10 Treatment: 31.67 hours per week - 1st year (avg) 30.88 hours per week - 2nd year (avg) 37.10 months of treatment (avg) Number of boys: 8 Number of girls: 2 Autism diagnosis: 10 out of 10 Number of nonverbal kids: 2 out of 10 Age at pre-test: 34.20 months (avg) Age at post-test: 82.50 months (avg) IQ at start of treatment: 52.10 (avg) IQ at end of treatment: 79.60 (avg) Change in IQ: +27.50 (avg) For both groups combined: Rapid learners: Size: 11 IQ at start: 55.27 (avg) IQ at end: 103.73 (avg) Change in IQ: +48.46 (avg) Moderate learners: Size: 12 IQ at start: 47.83 (avg) IQ at end: 50.42 (avg) Change in IQ: +2.59 (avg) ********************************************************************* * ********** Study: Cohen, , Amerine-Dickens, Mila, & , Tristram (2006) Early Intensive Behavioral Treatment: Replication of the UCLA Model in a Community Setting Journal of Developmental & Behavioral Pediatrics, 27 (2), 145- 155 http://www.pacificautismcenter.com/ADA-Info/Cohen2006.pdf Result: 57 percent of young autistic children receiving 37.5 hours per week of ABA therapy for 3 years acheived IQ's in the normal range but only 29 percent were in a regular classroom with no shadow. 33 percent of young autistic children receiving special education achieved IQ's in the normal range but none of them were in a regular classroom with no shadow. EIBT (Early Intensive Behavioral Treatment) Group: Size: 21 Treatment: 35-40 hours per week, 3 years Number of boys: 18 Number of girls: 3 Autism diagnosis: 20 out of 21 PDD-NOS diagnosis: 1 out of 21 Age at diagnosis: 30.2 months (avg) IQ at start of treatment: 62 (avg) IQ at end of treatment: 87 (avg) Change in IQ: +25 (avg) Normal range: IQ: 12 out of 21 Receptive Language: 8 out of 21 Expressive Language: 9 out of 21 VABS Composite: 8 out of 21 School Placement: 6 out of 21 Comparison Group: Size: 21 Treatment: public school placement, 3 years Number of boys: 17 Number of girls: 4 Autism diagnosis: 15 out of 21 PDD-NOS diagnosis: 6 out of 21 Age at diagnosis: 33.2 months (avg) IQ at start of treatment: 59 (avg) IQ at end of treatment: 73 (avg) Change in IQ: +14 (avg) Normal range: IQ: 7 out of 21 Receptive Language: 4 out of 21 Expressive Language: 6 out of 21 VABS Composite: 3 out of 21 School Placement: 0 out of 21 VABS --> Vineland Adaptive Behavior Scales Quote Link to comment Share on other sites More sharing options...
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