Crystal Day-Hess

Play It High, Play It Low: Examining the Reliability and Validity of a New Observation Tool to Measure Children's Make-Believe Play.

Carrie Germeroth, Elena Bodrova, Crystal Day-Hess et al. · American journal of play · 2019 · 19 citations

Early Education, Child Psychology, Behavioral Sciences +12

Mathematics and Executive Function Competencies in the Context of Interventions: A Quantile Regression Analysis

Yixiao Dong, Douglas H. Clements, Julie Sarama et al. · The Journal of Experimental Education · 2020 · 16 citations

Measuring Early Childhood Mathematical Cognition: Validating and Equating Two Forms of the Research-Based Early Mathematics Assessment

Yixiao Dong, Douglas H. Clements, Crystal Day-Hess et al. · Journal of Psychoeducational Assessment · 2021 · 15 citations

Mathematics Cognition, Educational Psychology, Language Development +26

Strategy diversity in early mathematics classrooms

Douglas H. Clements, Denis Dumas, Yixiao Dong et al. · Contemporary Educational Psychology · 2019 · 14 citations

Teacher Education, Mathematics Education, Classroom Practice +6