Beitchman JH, Nair R, Clegg M, Ferguson B, Patel PG: The prevalence of psychiatric disorders in children with speech and language disorders.J Am Acad Child Psychiat 25:528–535, 1986.
Silva PA, Justin C, McGee R, Williams SM: Some developmental and behavioural characteristics of seven-year-old children with delayed speech development.Br J Disord Commun 19:147–154, 1984.
Cantwell D, Baker L, Mattison R: The prevalence of psychiatric disorders in children with speech and language disorders: An epidemiological study.J Am Acad Child Psychiat 18:450–461, 1979.
Richman N, Stevenson J: Language delay in three-year-old children: Family and social factors.Acta Paediatr Belg 30:213–219, 1977.
Cantwell D, Baker L: Psychiatric and Learning Disorders in Children with Speech and Language Disorders: A descriptive analysis. In K Gadow (Ed.)Advances in Learning and Behavioral Disabilities Vol. 4. London: JAI Press Inc., 1985. pp 29–47.
Beitchman JH: Speech and language impairment and psychiatric risk: Toward a model of neurodevelopmental immaturity.Psychiatric Clinics of North America 8:721–735, 1985.
Cantwell D, Baker L, Mattison R: Psychiatric disorders in children with speech and language retardation: Factors associated with development.Arch Gen Psychiat 37:423–426, 1980.
Baker L, Cantwell D: Psychiatric and Learning Disorders in Children with Speech and Language Disorders: A Critical Review. In K Gadow (Ed.)Advances in Learning and Behavioral Disabilities Vol. 4. London: JAI Press Inc., 1985, pp 1–28.
Rutter M, Tizard J, Whitmore K:Education, Health and Behavior. London: Longman Group Ltd. 1970.
Clausen JA: Family Structure, Socialization and Personality. In LW Hoffman, ML Hoffman (eds.)Review of Child Development Research, Vol. 2. New York: Russell Sage Foundation, 1966.
Butler NR, Peckham C, Sheridan M: Speech defects in children aged seven years A national study.Br Med J 1:253–257, 1973.
Randall D, Reynell J, Curwen M: A study of language development in a sample of three-year-old children.Br J Disord Commun 9:3–16, 1974.
Cantwell DP, Baker L: Psychiatric disorder in children with speech and language retardation.Arch Gen Psychiat 18:450–461, 1977.
Offord DR, Allen N, Abrams N: Parental psychiatric illness, broken homes and delinquency.J Am Acad Psychiat 17:224–238, 1978.
Beitchman JH, Murray C, Minty G: A survey of referral problems to a psychiatric preschool program: Patient characteristics and therapeutic consideration.Can J Psychiat 26:323–329, 1981.
Belmont L: Birth order, intellectual competence, and psychiatric status.J Individ Psychol 33:97–104, 1977.
Bankson NW:Bankson Language Screening Test. Baltimore: University Park Press, 1977.
Carrow E:Screening Test for Auditory Comprehension of Language. (5th ed.) Boston: Teaching Resources Corporation, 1973.
Pendergast K, Dickey SE, Selmar JW, Soder AL:Photo Articulation Test, Illinois: Interstate Printers and Publishers, Inc., 1969.
Newcomer PL, Hammill DD:The Test of Language Development (TOLD), Austin: Empiric Press, 1977.
Dunn LM, Dunn LM:Peabody Picture Vocabulary Test Revised. Circle Pines: American Guidance Services Inc., 1981.
Goldman R, Fristoe M, Woodcock RW:Goldman-Fristoe-Woodcock Auditory Memory Tests. Circle Pines: American Guidance Services Inc., 1974
Conners CK: A Teacher Rating Scale for use in drug studies with children.Am J Psychiat 126:884–938, 1969.
Achenbach TM, Edelbrock CS:Manual for the Child Behavior Checklist and Revised Child Behavior Profile. Burlington: University of Vermont Department of Psychiatry, 1983.
Trites RL, Blouin AGA, Laprade K: Factor analysis of the Conners Teacher Rating Scale based on a large normative sample.J Consult Clin Psychol 50:615–623, 1982.
Blishen R, McRoberts HA: A revised socioeconomic index for occupations in Canada.The Canadian Review of Sociology and Anthropology 13:71–79, 1976.
Douglas JWB, Ross JM, Simpson HR:All Our Future. Peter Davies, 1968.
Record RG, McKeown T, Edwards JH: The relation of measured intelligence to birth order and maternal age.Ann Hum Genet 33:61–69, 1969.
Rutter M, Madge N:Cycles of Disadvantage, London: Heineman Educational Books Ltd., 1976.