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Direct linkFitzsimmons, Charles J.; Morehead, Kayla; Thompson, Clarissa A.; Buerke, Morgan; Dunlosky, John – Journal of Experimental Education, 2023
We investigated whether three interventions -- studying incorrect worked examples, studying correct worked examples, or receiving feedback -- improved children's 0-1,000 (Experiment 1) and adults' 1 thousand--1 billion (Experiment 2) number-line estimation precision relative to a no intervention control group. At pretest, participants estimated…
Descriptors: Feedback (Response), Problem Solving, Accuracy, Number Concepts
Download full textZippert, Erica L.; Douglas, Ashli-Ann; Tian, Fang; Rittle-Johnson, Bethany – Grantee Submission, 2021
Preschoolers' repeating patterning knowledge is predictive of their concurrent and later math and numeracy knowledge, but strong experimental evidence is needed to determine if these relations are causal. The purpose of the current Study was to examine the causal effects of repeating patterning and numeracy tutoring on repeating patterning,…
Descriptors: Preschool Children, Mathematics Education, Numeracy, Mathematics Skills
David W. Braithwaite; Robert S. Siegler – Grantee Submission, 2021
Learning fractions is a critical step in children's mathematical development. However, many children struggle with learning fractions, especially fraction arithmetic. In this article, we propose a general framework for integrating understanding of individual fractions and fraction arithmetic, and we use the framework to generate interventions…
Descriptors: Fractions, Addition, Middle School Mathematics, Middle School Students
David W. Braithwaite; Robert S. Siegler – Journal of Educational Psychology, 2021
Learning fractions is a critical step in children's mathematical development. However, many children struggle with learning fractions, especially fraction arithmetic. In this article, we propose a general framework for integrating understanding of individual fractions and fraction arithmetic, and we use the framework to generate interventions…
Descriptors: Fractions, Addition, Middle School Mathematics, Middle School Students
Barbieri, Christina A.; Rodrigues, Jessica; Dyson, Nancy; Jordan, Nancy C. – Grantee Submission, 2019
The effectiveness of an experimental middle school fraction intervention was evaluated. The intervention was centered on the number line and incorporated key principles from the science of learning. Sixth graders (N = 51) who struggled with fraction concepts were randomly assigned at the student level to the experimental intervention (n = 28) or…
Descriptors: Fractions, Mathematics Instruction, Intervention, Mathematical Concepts
