Few studies have focused on the importance of peers for child language development in the preschool years. The aim of this study was to assess whether peer expressive language skills predict language ability of preschool-aged ...

In psychology, mixed-effects models and latent-curve models are both widely used to explore growth over time. Despite this widespread popularity, some confusion remains regarding the overlap of these different approaches. ...

We aimed to identify factors associated with perceived economic well-being (PEWB), and examine its association with symptoms of depression and attention-deficit/hyperactivity disorder. In the Norwegian youth@hordaland ...

Crafting a validity argument is crucial for the development of any assessment of ICT literacy. In about the context of studying gender differences in ICT literacy, it has therefore become essential to ensure that gender ...

Background: Maternal postpartum distress is often construed as a marker of vulnerability to poor parenting. Less is known, however, about the impact of postpartum distress on parenting an infant born prematurely. The present ...

In computerized adaptive testing (CAT), item parameter estimates are assumed to be known and valid for all the positions that items can be presented on in the test. This assumption is problematic since item parameter ...

This study offers curriculum developers, teachers and science education researchers a fine-grained profile on strengths and weaknesses in specific science domains and topics. The study involved a representative sample of ...