Document Detail


The development of opposition-defiance during toddlerhood: a population-based cohort study.
MedLine Citation:
PMID:  23027133     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
OBJECTIVE: : There is now emerging epidemiological evidence that a substantial proportion of toddlers in the general population may be experiencing a significant opposition-defiance problem before 2 years of age. This article describes the continuity and discontinuity in boys' and girls' opposition-defiance statuses during toddlerhood.
METHOD: : Data came from The Québec Longitudinal Study of Child Development, a survey of a representative birth cohort of children from the Canadian province of Québec. A time-specific latent variables (Markov) model was used to estimate the proportion of toddlers who cease or start to exhibit oppositional-defiant behaviors (ODBs) on a frequent basis between 17 and 29 months of age and to test for gender differences therein.
RESULTS: : A majority of toddlers who had exhibited ODBs on a frequent basis at 17 months of age were still doing so 1 year later. Also, a majority of toddlers who did exhibit ODBs on a frequent basis at 29 months of age had done so 1 year earlier. The results also show that there are more toddlers who start than stop exhibiting ODBs on a frequent basis during this period. Further, the continuity and discontinuity in toddlers' opposition-defiance statuses during this period did not vary between boys and girls, suggesting that gender differences in opposition-defiance have not yet emerged by the second half of the third year of life.
CONCLUSION: : The predictive accuracy of early opposition-defiance is very good, with a substantial proportion of toddlers experiencing a significant opposition-defiance problem throughout toddlerhood.
Authors:
Raymond H Baillargeon; Kate Keenan; Guanqiong Cao
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of developmental and behavioral pediatrics : JDBP     Volume:  33     ISSN:  1536-7312     ISO Abbreviation:  J Dev Behav Pediatr     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-02     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8006933     Medline TA:  J Dev Behav Pediatr     Country:  United States    
Other Details:
Languages:  eng     Pagination:  608-17     Citation Subset:  IM    
Affiliation:
*Interdisciplinary School of Health Sciences, University of Ottawa, Ottawa, ON, Canada †Department of Psychiatry and Behavioral Neuroscience, University of Chicago, Chicago, IL ‡University of Ottawa, Ottawa, ON, Canada.
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