We examined the effects of peer preference and teacher preference for students, students' perceived relationship with their teacher and student ethnicity on peer victimization in late elementary school. Participants were students in the third through fifth grades in four public elementary schools in a southern state. Using hierarchical linear…

Children experience good and bad days in their performance. Although this phenomenon is well-known to teachers, parents, and students it has not been investigated empirically. We examined whether children's working memory performance varies systematically from day to day and to which extent fluctuations at faster timescales (i.e., occasions,…

We investigated the relationship between Chichewa (L1) and English (L2) literacies in Malawi. Through our use of hierarchical linear modeling, we found that cross-language literacy transfer between Chichewa and English did occur, but that the pattern and the strength of the relationships varied depending on the literacy domain (i.e., reading or…

This research is motivated by an analysis of reading research data. We are interested in modeling the test outcome of ability to fluently recode letters into sounds of kindergarten children aged between 5 and 7. The data showed excessive zero scores (more than 30% of children) on the test. In this dissertation, we carefully examine the models…

The study explored the longitudinal effects of all-day kindergarten program on the academic performance of students from diverse racial backgrounds and social class from kindergarten to the end of first grade. The study used three measures of reading and math scores from a nationally representative database of the USA, the Early Childhood…