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Mäkelä, Tiina E.; Peltola, Mikko J.; Nieminen, Pirkko; Paavonen, E. Juulia; Saarenpää-Heikkilä, Outi; Paunio, Tiina; Kylliäinen, Anneli – Developmental Psychology, 2018
Fragmented sleep is common in infancy. Although night awakening is known to decrease with age, in some infants night awakening is more persistent and continues into older ages. However, the influence of fragmented sleep on development is poorly known. In the present study, the longitudinal relationship between fragmented sleep and psychomotor…
Descriptors: Infants, Correlation, Psychomotor Skills, Sleep
Farmer, Cristan; Butter, Eric; Mazurek, Micah O.; Cowan, Charles; Lainhart, Janet; Cook, Edwin H.; DeWitt, Mary Beth; Aman, Michael – Autism: The International Journal of Research and Practice, 2015
A gap exists in the literature regarding aggression in autism spectrum disorders and how this behavior compares to other groups. In this multisite study, the "Children's Scale for Hostility and Aggression: Reactive/Proactive" and the Aggression subscale of the "Child Behavior Checklist" were rated for 414 children with autism…
Descriptors: Aggression, Autism, Pervasive Developmental Disorders, Comparative Analysis
Björn, Piia M.; Kakkuri, Irma; Leppänen, Paavo H. T. – Early Child Development and Care, 2014
This study investigated the potential interrelationship between parental (maternal) and expert assessments of the expressive and receptive language skills of 12- to 18-month-old children. The language activities of 27 children were monitored by their mothers (MCDI scale: Lyytinen, 2000. "Varhaisen kommunikaation ja kielen kehityksen…
Descriptors: Foreign Countries, Toddlers, Expressive Language, Receptive Language

MacPhee, David – 1980
The reliability and validity of three measures of infant temperament were compared in this study. The measures included the revised Carey (1978) Infant Temperament Questionnaire, a version of the Bayley (1969) Infant Behavior Record revised for completion by the parent, and a modified version of Buss and Plomin's (1975) EASI, an acronym standing…
Descriptors: Age Differences, Comparative Analysis, Factor Structure, Individual Differences