The authors examined a new assessment of behavioral regulation and contributions to achievement and teacher-rated classroom functioning in a sample (N = 343) of kindergarteners from 2 geographical sites in the United States. Behavioral regulation was measured with the Head-Toes-Knees-Shoulders (HTKS) task, a structured observation requiring children to perform the opposite of a dominant response to 4 different oral commands. Results revealed considerable variability in HTKS scores. Evidence for construct validity was found in positive correlations with parent ratings of attentional focusing and inhibitory control and teacher ratings of classroom behavioral regulation. Hierarchical linear modeling indicated that higher levels of behavioral regulation in the fall predicted stronger levels of achievement in the spring and better teacher-rated classroom self-regulation (all ps < .01) but not interpersonal skills. Evidence for domain specificity emerged, in which gains in behavioral regulation predicted gains in mathematics but not in language and literacy over the kindergarten year (p < .01) after site, child gender, and other background variables were controlled. Discussion focuses on the importance of behavioral regulation for successful adjustment to the demands of kindergarten.

This study examined gender differences in self-regulation in the fall and spring of kindergarten and their connection to gender differences in 5 areas of early achievement: applied problems (math), general knowledge, letter-word identification, expressive vocabulary, and sound awareness. Behavioral selfregulation was measured using both an objective direct measure (N ϭ 268; Head-Toes-Knees-Shoulders task) and, for a subsample of children, a teacher report of classroom self-regulatory behavior (n ϭ 156; Child Behavior Rating Scale). Results showed that girls outperformed boys in both assessments. Although gender differences in self-regulation were clear, no significant gender differences were found on the 5 academic achievement outcomes, as measured by the Woodcock-Johnson III Tests of Achievement. Self-regulation consistently predicted math and sound awareness, although links were stronger with the direct measure as compared with teacher reports. Implications for understanding the role of gender and self-regulation in early and later academic achievement and the role of self-regulation in particular areas of achievement are discussed.

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This study examined the extent to which the quality of teacher-child interactions and children's achievement levels at kindergarten entry were associated with children's achievement trajectories. Rural students (n ϭ 147) were enrolled in a longitudinal study from kindergarten through first grade. Growth trajectories (initial level and slope) were modeled with hierarchical linear modeling for 3 areas of achievement: word reading, phonological awareness, and mathematics. Cross-classified analyses examined the extent to which quality of teacher-child interactions and children's starting level predicted achievement growth rates over 2 years, and they also accounted for the changing nesting structure of the data. Results indicated that achievement at kindergarten entry predicted children's growth for all 3 outcomes. Further, first-grade teachers' strong emotional support related to greater growth in students' phonological awareness. Emotional and instructional support in first grade moderated the relationship between initial achievement and growth in word reading. Kindergarten classroom organization moderated the relationship between initial achievement and growth in mathematics. The implications of schooling for early growth trajectories are discussed.

Understanding of children's cognitive and social development has advanced significantly over the past 3 decades. Particularly with regard to those skills critical for academic success, research has revealed that multiple interacting factors in the child, home, school, and larger sociocultural context all contribute to children's literacy, numeracy, language, and social skills, starting early in life and continuing throughout the school years (Morrison, Bachman, & Connor, 2005). One factor, self-regulation, has surfaced recently as a crucial skill that uniquely predicts children's early school success. Poor self-regulation has been linked to high rates of expulsion, most dramatically in preschool classrooms (Gilliam & Shahar, 2006).Self-regulation refers to a complex of acquired, intentional skills involved in controlling, directing, and planning one's cognitions, emotions, and behaviot (Schunk & Zimmerman, 1997). In investigations beyond the class-

The Individualizing Student Instruction (ISI) classroom observation and coding system is designed to provide a detailed picture of the classroom environment at the level of the individual student. Using a multidimensional conceptualization of the classroom environment, foundational elements (teacher warmth and responsiveness to students, classroom management) and instructional elements (teacher-child interactions, context, and content) are described. The authors have used the ISI system to document that children who share the same classroom have very different learning opportunities, that instruction occurs through interactions among teachers and students, and that the effect of this instruction depends on children's language and literacy skills. This means that what is effective for one child may be ineffective for another with different skills. With improving classroom observation systems, the dynamics of the complex classroom environment as it affects student learning can be better understood.

The present study examined the psychometric properties of scores from a direct measure of behavioral regulation, the Head-Toes-Knees-Shoulders task (HTKS) with 3- to 6-year-old children in the U.S., Taiwan, South Korea, and China. Specifically, we investigated (1) the nature and variability of HTKS scores including relations to teacher-rated classroom behavioral regulation, and (2) relations between the HTKS and early mathematics, vocabulary, and literacy skills. Higher HTKS scores were significantly related to higher teacher ratings of classroom behavioral regulation in the U.S. and South Korea but not in Taiwan and China. Also, higher HTKS scores were significantly related to higher early mathematics, vocabulary, and literacy skills beyond the influence of demographic variables and teacher-rated classroom behavioral regulation. These initial findings suggest that HTKS scores may be interpreted as reflecting early behavioral regulation in these four societies, and that behavioral regulation is important for early academic success in the U.S. and in Asian countries.

We examined the effect of individualizing student instruction (ISI; N=445 students, 46 classrooms) on first graders' self-regulation gains compared to a business-as-usual control group. Self-regulation, conceptualized as a constellation of executive skills, was positively associated with academic development. We hypothesized that the ISI intervention's emphasis on teacher planning and organization, classroom management, and the opportunity for students to work independently and in small groups would promote students' self-regulation. We found no main effect of ISI on selfregulation gains. However, for students with weaker initial self-regulation, ISI was associated with greater self-regulation gains compared to peers in control classrooms. The ISI effect on selfregulation was greater when the intervention was more fully implemented.