Marc H. Bornstein|Diane L. Putnick
Stability of language in childhood: A multiage, multidomain, multimeasure, and multisource study.
stability language across childhood traditionally assessed exploring longitudinal relations individual language measures however language encompasses many domains varies different sources child speech parental report experimenter assessment study evaluated individual variation multiple ageappropriate measures child language derived multiple sources stability latent variables 192 young children across 2 years structural equation modeling demonstrated loading multiple measures child language different sources single latent variables language ages 20 months 48 months large stability coefficient r 84 obtained 2 language latent variables stability obtained even accounting family socioeconomic status maternal verbal intelligence education speech tendency respond socially desirable fashion child social competence stability also equivalent children diverse childcare situations girls boys across age beginning language acquisition school entry aggregating multiple ageappropriate methods measures age multiple reporters children show strong stability individual differences general language development