Primary school children frequently use digital devices, which can be infected by computer viruses. In this mixed methods paper with two studies (N = 278 + 114), we examined 8-year-olds' preconceptions about computer viruses and protection against them; how to teach these children about said topics using three different, 30-min-long,…

Children's intergroup attitudes arguably reflect different construals of in- and out-groups, whereby the former are viewed as composed of unique individuals and the latter of homogeneous members. In three studies, we investigated the scope of information (individual vs. category) Jewish-Israeli 5- and 8-year-olds prefer to receive about…

This dissertation explores the mathematics identities of early elementary school students. Throughout school, many students come to believe that mathematics is not for them or is not a part of who they are or want to be. Previous research has revealed mechanisms that lead to negative relationships with mathematics for middle grade students and…

This research examined whether children's construals of mathematical manipulatives -- as toys or as tools for doing mathematics -- influenced their learning from a lesson with the manipulatives. Children (grades 2 and 3) were presented with a set of buckets and beanbags, and they were either given no information about the manipulatives (control)…

We examined the development of children's positive and negative attitudes toward other-gender peers over 1 year, and explored the longitudinal social consequences of holding positive or negative attitudes on the beholder of these attitudes. Participants were 206 second graders (Mage = 7.18 yrs, SD = .56, 50% girls) and 206 fourth graders…