Journal Article July 31, 2020

From the static to the dynamic: Teachers’ varying use of digital technology to support conceptual learning in a curricular activity system

December 1, 2018

Generalizability of a Technology-Based Intervention to Enhance Conceptual Understanding in Mathematics

Three previously reported experiments found that a technology-enhanced intervention increased student conceptual understanding of mathematics in Texas. To investigate generalizability to broader populations and settings, we triangulate among three methods....

Journal Article May 9, 2018

The evidence based curriculum design framework: Leveraging diverse perspectives in the design process

Tech Report March 1, 2018

What parents talk about when they talk about learning: A national survey about young children and science

This study used a nationally representative parent survey, combined with in-depth interviews and home visits with a smaller sample of families, to learn how parents of young children, particularly low-income...

Conference Paper June 1, 2015

Early Math with Gracie & Friends (Tm) Demo: App-Infused Curriculum and Teacher Support for Preschool

This paper describes the Early Math with Gracie & Friends™ preschool math curriculum based on the four-year, National Science Foundation-funded Next Generation Preschool Math project. Our team developed and published...

Article March 1, 2015

Scaling a Technology-Based Innovation: Windows on the Evolution of Mathematics Teachers’ Practices

This paper reports research on effects on teachers’ classroom practices resulting from their engagement in sustained professional development and classroom teaching of a resource that embeds carefully designed dynamic technology...

Article February 1, 2014

Teaching and Assessing Foundational Data Literacy

It is in the public interest for the citizenry to be more data literate. A more data literate citizenry is likely to be a more informed citizenry, and an informed...

Chapter January 1, 2014

Designing Geospatial Exploration Activities To Build Hydrology Understanding In Middle School Students

Article October 1, 2013

Cornerstone Mathematics: Designing Digital Technology for Teacher Adaptation and Scaling

We report the results of a design-based research project in England that embeds digital technology. The research followed from two phases in the USA: (1) a design phase that used...

Chapter October 1, 2013

Sustainable Use of Dynamic Representational Environments: Toward a District-Wide Adoption of SimCalc-Based Materials

In this chapter, we will discuss pilot research in our multiyear effort aimed at aiding a large, urban school district in the state of Florida to adopt SimCalc MathWorlds® as...

Conference Paper June 1, 2013

Designing Early Childhood Math Games: A Research-Driven Approach