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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
Clarke-Stewart, Alison – 1975
This paper presents arguments for greater use of sophisticated research strategies and statistical analyses of data in dealing with the real-life complexity of social interaction. Three possible procedures are proposed and illustrated in a study of interactions between mothers and their 8- to 18-month-old children. The first strategy is to…
Descriptors: Behavior Patterns, Infant Behavior, Interaction Process Analysis, Longitudinal Studies
Harmon, Robert J.; And Others – 1975
Papers and discussants' comments from a symposium on issues concerning infants' reactions to strangers are presented. Researchers agreed that there is a developmental shift in infant behavior at 7 to 9 months of age when the infant becomes more cautious in approaching strangers. However, investigators hypothesize that the presence of the mother,…
Descriptors: Affective Behavior, Behavior Patterns, Cognitive Development, Conferences