We studied the effect of the number and characteristics of siblings (sex, age) on school achievement in several grades (kindergarten, first grade, and fifth grade), in two large French cohorts, with more than 16,000 children. Running linear mixed-effects models, we find that, independently of socioeconomic status, having more siblings is…

The study aimed to examine effectiveness of a visual perception training program upon an application period of 14 weeks on primary school first graders. Effects of the "Frostig Visual Perception Training Program" were evaluated within demographics of gender, age, parental education level, previous kindergarten attainment and family…

This study examines preschool children's play tendency and their prosocial behavior. The screening method was used in the study, and it was carried out with a total of 319 four- to six-year-old children who attended state kindergartens. "Children's Playfulness Scale" and "Child Prosocialness Scale" were used as data collection…

The aim of this study was to determine the effect of parental attitudes on the eating behaviors of children attending kindergartens. The population of the study consisted of the parents of children attending independent kindergartens located in Battalgazi and Yesilyurt districts of Malatya province in 2018-2019 school year. The sample of the study…

The authors examined whether different measures of print exposure assess the same underlying concept and how these different measures relate to vocabulary breadth and depth. One hundred forty-seven students attending the third year of kindergarten in Jining, China, were assessed on nonverbal IQ, vocabulary breadth and depth, and their knowledge of…

This appendix provides additional details on the underlying data, statistical models, and results presented in the main report. We first describe how we created each control and outcome variable and its source (e.g., parent report), followed by an overview of the logistic regression models employed, and then provide the full set of results from…

The purpose of this study is to identify the kindergarten students' levels of understanding some science concepts (LUSSC) and scientific inquiry processes (SIP) and compare their LUSSC and SIP in terms of some demographic variables. Also, another purpose of this study is to identify the predictive power of those demographic variables over the…

The Big Lift™ (Big Lift) is a preschool-third-grade collective impact initiative in San Mateo County, California. The initiative is a partnership of the County of San Mateo, San Mateo County Office of Education, and the Silicon Valley Community Foundation. Launched in 2012, the initiative aims to boost children's reading proficiency by third grade…

The main purpose of this study was to gain an understanding of Taiwanese parents' perceptions of child's play. Data were collected via parent questionnaires. To ensure greater variability in parents' backgrounds, kindergartens with families from different social backgrounds were recruited. A total sample of 142 parents with kindergarteners aged…

There is a virtual consensus regarding the types of language processes, interactions, and material supports that are central for young children to become proficient readers and writers (Shanahan et al., 2008). In this study, we examine these supports in both home and school contexts during children's critical transitional kindergarten year.…

It has been widely recognised that fathers can play a key role in the development and well-being of young children. In many cases, however, fathers still have limited involvement in the early years education of their children and their voices are as yet unheard. This study examined the beliefs and practices of Jordanian fathers of kindergarten…

This manual provides guidance and documentation for users of the longitudinal kindergarten-fourth grade (K-4) public-use data file of the Early Childhood Longitudinal Study, Kindergarten Class of 2010-11 (ECLS-K:2011), which includes the first release of the public version of the third-grade data. This manual mainly provides information specific…

This study examined relations among early family risk, children's behavioral regulation at 54 months and kindergarten, and academic achievement in first grade using data on 1298 children from the National Institute of Child Health and Human Development (NICHD) Study of Early Child Care and Youth Development. Family risk was indexed by ethnic…

This paper uses a regression discontinuity model to examine the effects on kindergarten entrance assessments of the Kalamazoo County Ready 4s (KC Ready 4s) program, a half-day pre-K program for four-year-olds in Kalamazoo County, Michigan. The results are based on test scores and other characteristics of up to 220 children participating in KC…

Given the recent rise in childhood obesity, the School Breakfast Program (SBP) and National School Lunch Program (NSLP) have received renewed attention. Using panel data on more than 13,500 primary school students, we assess the relationship between SBP and NSLP participation and (relatively) long-run measures of child weight. After documenting a…