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Jansen, Pauline W.; Raat, Hein; Mackenbach, Johan P.; Jaddoe, Vincent W. V.; Hofman, Albert; van Oort, Floor V.; Verhulst, Frank C.; Tiemeier, Henning – Journal of Abnormal Child Psychology, 2010
In many societies the prevalence of behavioural problems in school-aged children varies by national origin. We examined the association between national origin and behavioural problems in 1 1/2-year-old children. Data on maternal national origin and the Child Behavior Checklist for toddlers (n = 4943) from a population-based cohort in the…
Descriptors: Check Lists, Family Income, Toddlers, Psychopathology
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Howes, Carollee – Child Development, 1985
Social play emerged earlier than social pretend play with a similar structure; the incidence of social pretend play increased with age. Four strategies for integrating pretense into social play were isolated; among them, verbal recruitment and "join" were found to be more effective than imitation or nonverbal recruitment. (Author/RH)
Descriptors: Age Differences, Cooperation, Imitation, Incidence
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Rescorla, Leslie – Journal of Speech and Hearing Disorders, 1989
The paper reports data from four studies using the Language Development Survey (LDS), a screening tool for the identification of language delay in two-year-old children. The LDS was found to have excellent sensitivity and specificity. Prevalence data using the LDS are reported, comparing three different severity cutoffs. (Author/DB)
Descriptors: Delayed Speech, Handicap Identification, Incidence, Language Handicaps