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1. The Nature and Prevalence of Learning Disabilities among the Prison Population in Ireland
Sean Carey, Michael Murphy, Mark Harrold and Mark Mulrooney
3. Considerations Representative sample
Individually administered assessments
Prisoners’ perspectives
“Less than an hour”
4. Measures Kaufman Brief Intelligence Test (K-BIT)
Matrices (non-verbal)
Vocabulary
Composite Score: IQ
5. Measures Wide Range Achievment Test 3 (WRAT 3)
Reading
Maths
Spelling
6. Measures Vocabulary subtest of Wechsler Adult Intelligence Scale-Revised (WAIS-R)
Strong correlation with WAIS-R Full Scale IQ score
7. Measures National Adult Prison Study (NAPS)
Demographic information
Educational history
Work skills
Employment history
Current education/training
Imprisonment history
8. Participants All prisons (14)
Ten percent sample in each prison
Random selection
Consent procedures
Refusals
Confidentiality
Total sample = 264
9. WRAT 3 Results Spelling: 38% < 70
Maths: 45% < 70
Reading: 18% < 70
10. K-BIT Results Vocabulary: 14% < 70
Matrices: 32% < 70
Composite: 28% < 70
11. WAIS-R Vocabulary 34% scored < 6
Strong correlation with K-BIT Composite
12. NAPS: Employment 22% had no employment history
38% were “unskilled”
5% management/professional
13. NAPS: Education Left school: 14-15
40% expelled at least once
80% had never met school psychologist/counselor
73% could not recall “remedial” help
56% had not taken a state exam
14. NAPS: Stories “Nice” or “Mean” teachers
Primary to Secondary transition
Multiple schools
15. Less than 70 on K-BIT Younger
Left school younger (13.5 v 15)
Less likely to have had a job
Less likely to have work skills
Less likely to attend secondary school
Less likely to have taken an exam
Less involved in current education/training
16. Key Findings Up to 28% of prisoner population meet screening criterion for general learning (intellectual) disability
Large proportion have significant literacy and numeracy deficits
Large proportion have a history of educational and employment difficulties
Low IQ associated with difficulties in all areas
17. Validity of Results High estimate relative to international studies (2-12%)
Comprehensive, representative, random sample
Valid and reliable tests
Screening
Literacy and numeracy results in line with Prison Adult Literacy Survey (Morgan & Kett, 2003)
18. Conclusions and Recommendations Systematic process to screen and identify prisoners with general learning (intellectual) difficulties
Adapt prisoner education/training programmes to meet special needs
Training for prison staff