The aim of the present study was to examine the kinds of developmental profiles of arithmetic fluency skills that can be identified across Grades 1-9 (ages 7-16) in a large Finnish sample (n = 2,518). The study also examined whether membership in the developmental profiles could be predicted using a comprehensive set of kindergarten-age factors,…

The gender difference in reading achievement in favor of adolescent girls is a robust finding in the literature, but the evidence is mixed when considering younger children. The present study followed the development of reading skills among Finnish children (N = 1867) from kindergarten age (6 years) to 18 years of age to determine the onset of…

The present study extends research on classroom quality profiles by examining the differences between profiles with respect to children's development in pre-academic skills and motivation across the kindergarten year. Teacher-child interactions were observed in 49 Finnish kindergarten classrooms using the CLASS Pre-K instrument. Based on prior…

The majority of previous research on academic skills, self-concept of ability and interest has deployed the variable-oriented approach and focused on self-concept, or ability, or interest only. This study examined the patterns and dynamics of pattern change in Finnish children's word reading skill, self-concept of ability and interest from…