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Maria Spinelli; Diane L. Putnick; Prachi E. Shah; Marc H. Bornstein – International Journal of Behavioral Development, 2025
Understanding of preterm infant cognitive competences across the first year of life is limited regarding the developmental constructs of continuity, stability, coherence, and predictive validity as well as how they manifest by age and country of origin. This prospective longitudinal study examined and compared mean-level continuity,…
Descriptors: Premature Infants, Cognitive Ability, Foreign Countries, Reliability
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Cardon, Lon R.; And Others – Developmental Psychology, 1992
Yearly cognitive tests were administered to adoptive and nonadoptive siblings between one and seven years of age and identical and nonidentical twins between one and three years. Results indicated that genetic influences are a source of continuity and change in mental development, whereas shared and nonshared environmental effects contribute to…
Descriptors: Adopted Children, Cognitive Ability, Cognitive Development, Developmental Continuity