The impact of middle-grades mathematics curricula and the classroom learning environment on student achievement JE Tarr, RE Reys, BJ Reys, Ó Chávez, J Shih, SJ Osterlind Journal for research in mathematics education 39 (3), 247-280, 2008 | 404 | 2008 |
Why mathematics textbooks matter. BJ Reys, RE Reys, O Chavez Educational Leadership 61 (5), 61-66, 2004 | 329 | 2004 |
From the written to the enacted curricula: The intermediary role of middle school mathematics teachers in shaping students' opportunity to learn JE Tarr, Ó Chávez, RE Reys, BJ Reys School Science and Mathematics 106 (4), 191-201, 2006 | 222 | 2006 |
Curriculum and implementation effects on high school students' mathematics learning from curricula representing subject-specific and integrated content organizations DA Grouws, JE Tarr, Ó Chávez, R Sears, VM Soria, RD Taylan Journal for Research in Mathematics Education 44 (2), 416-463, 2013 | 126 | 2013 |
Designing math lessons for English language learners KB Chval, Ó Chávez Mathematics Teaching in the Middle School 17 (5), 261-265, 2011 | 80 | 2011 |
The effects of content organization and curriculum implementation on students' mathematics learning in second-year high school courses JE Tarr, DA Grouws, Ó Chávez, VM Soria Journal for Research in Mathematics Education 44 (4), 683-729, 2013 | 67 | 2013 |
Considerations and limitations related to conceptualizing and measuring textbook integrity KB Chval, Ó Chávez, BJ Reys Mathematics teachers at work, 90-104, 2011 | 54 | 2011 |
Opportunities to engage with proof: the nature of proof tasks in two geometry textbooks and its influence on enacted lessons R Sears, O Chávez ZDM 46, 767-780, 2014 | 47 | 2014 |
The impact of middle grades mathematics curricula on student achievement and the classroom learning environment JE Tarr, RE Reys, BJ Reys, O Chavez, J Shih, S Osterlind Journal for Research in Mathematics Education 39 (3), 247-280, 2008 | 39 | 2008 |
Research Commentary: Pressures to Improve Student Performance: A Context That Both Urges and Impedes School-Based Research KB Chval, R Reys, BJ Reys, JE Tarr, Ó Chávez Journal for Research in Mathematics Education 37 (3), 158-166, 2006 | 33 | 2006 |
Third-year high school mathematics curriculum: Effects of content organization and curriculum implementation Ó Chávez, JE Tarr, DA Grouws, VM Soria International Journal of Science and Mathematics Education 13, 97-120, 2015 | 25 | 2015 |
Identification of Student-and Teacher-Level Variables in Modeling Variation of Mathematics Achievement Data. JE Tarr, DJ Ross, MD McNaught, O Chavez, DA Grouws, RE Reys, ... Online Submission, 2010 | 17 | 2010 |
Spatial visualization: What happens when you turn it? Ó Chavez, R Reys, D Jones Mathematics Teaching in the Middle School 11 (4), 190-196, 2005 | 17 | 2005 |
Assessing the impact of standards-based middle school mathematics curricula on student achievement and the classroom learning environment R Reys, B Reys, J Tarr, Ó Chávez Washington, DC: National Center for Education Research, 2006 | 13 | 2006 |
Middle school mathematics curriculum? A guide for principals B Reys, O Chavez, R Reys Principal Leadership (Middle School Ed.) 3, 61-66, 2003 | 13 | 2003 |
Mathematics curriculum Implementation and linear functions in secondary mathematics: Results from the comparing options in secondary mathematics project Ó Chávez, DA Grouws, JE Tarr, DJ Ross, MD McNaught American Education Research Association, San Diego, CA, 2009 | 10 | 2009 |
Developing fair tests for mathematics curriculum comparison studies: The role of content analyses Ó Chávez, I Papick, DJ Ross, DA Grouws Mathematics Education Research Journal 23, 397-416, 2011 | 9 | 2011 |
From the textbook to the enacted curriculum Ó Chávez Psychology of Mathematics Education, 565, 2006 | 9 | 2006 |
Computer-supported collaborative concept mapping for learning to teach mathematics YH Cho, N Ding, A Tawfik, Ó Chávez The Journal of Applied Instructional Design 4 (1), 21-x33, 2014 | 5 | 2014 |
Student strategy choices on a constructed response algebra problem D Ross, R Reys, Ó Chávez, MD McNaught, DA Grouws School Science and Mathematics 111 (8), 389-398, 2011 | 5 | 2011 |