Copyright (c) 2022 Thomas Akiva, Annie M. White, Sharon Colvin, Junlei Li, Peter S. Wardrip

This work is licensed under a Creative Commons Attribution 4.0 International License.
Thomas Akiva
University of Pittsburgh
United States
Associate Professor
Department of Health & Human Development
School of Education
Junlei Li
Harvard University
The PDF file you selected should load here if your Web browser has a PDF reader plug-in installed (for example, a recent version of Adobe Acrobat Reader).
If you would like more information about how to print, save, and work with PDFs, Highwire Press provides a helpful Frequently Asked Questions about PDFs.
Alternatively, you can download the PDF file directly to your computer, from where it can be opened using a PDF reader. To download the PDF, click the Download link above.