To support children's transition to school mathematics, it is important to maintain sensitivity to notations that children produce in the domain of number and support connections between their informal number knowledge and written symbols. This paper presents an exploratory longitudinal study of the notations that 3-5-year-old children produced…

Reliable and valid assessment of parenting and child behaviors is critical for clinicians and researchers alike, and observational measures of parenting behaviors are often considered the gold standard for assessing parenting and parent-child interaction quality. The current study sought to evaluate the reliability and validity of the Coder…