Mental retardation Developmental disabilities 5 Mentally handicapped 3 Dissertations, Academic(Ph.D) 2 Intellectual Disability 2 Mentally handicapped children 2 Psychology 2 Rehabilitation 2 Special education 2 Thesis(Ph.D)-Behavioural sciences 2 Treatment 2 Abnormal Psychology 1 Adjustment (Psychology) 1 Adolescent Medicine 1 Autism 1 Behaviour Problems 1 Behavioural assessment 1 Caring-Retarded People 1 Children 1 Communication 1 Developmental Disabilities 1 Developmentally disabled 1 Diagnosis 1 Dissertations, Academic (Ph.D) 1 EDUCATION / General 1 Early childhood education 1 Education 1 Great Britain 1 Handbook 1 Handicapped Children 1