Sex as a Possible Source of Group Inequivalence in Lovaas (1987)

The possibility of differential sex proportions as a confounding factor in the Lovaas (1987) study is raised. It is argued that the chi-square analysis was inadequate and that the appropriate comparison should be made between the experimental and the control group using population data to estimate e...

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Veröffentlicht in:	Journal of autism and developmental disorders 1998-06, Vol.28 (3), p.211-215
1. Verfasser:	Boyd, Richard D
Format:	Artikel
Sprache:	eng
Schlagworte:	Autism Autistic Disorder - psychology Autistic Disorder - therapy Autistic young children Behavior Modification Behavior Therapy - statistics & numerical data Behavior therapy. Cognitive therapy Behaviour therapy Bias Biological and medical sciences Chi Square Child Child Behavior Disorders - psychology Child Behavior Disorders - therapy Child, Preschool Children Data Analysis Data Interpretation Efficacy Female Gender differences Humans Intellectual Disability - psychology Intellectual Disability - therapy Intelligence Lovaas (O Ivar) Male Medical sciences Outcomes of Treatment Psychology. Psychoanalysis. Psychiatry Psychopathology. Psychiatry Research Design - statistics & numerical data Research Methodology Research Problems Sex Differences Sex Factors Treatment Outcome Treatments
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Zusammenfassung:	The possibility of differential sex proportions as a confounding factor in the Lovaas (1987) study is raised. It is argued that the chi-square analysis was inadequate and that the appropriate comparison should be made between the experimental and the control group using population data to estimate expected cell frequencies. (Author/CR)
ISSN:	0162-3257 1573-3432
DOI:	10.1023/A:1026065321080