Peter A. Beddow

Modifying Achievement Test Items: A Theory-Guided and Data-Based Approach for Better Measurement of What Students With Disabilities Know

Ryan J. Kettler, Stephen N. Elliott, Peter A. Beddow · Peabody Journal of Education · 2009 · 53 citations

Disability, Educational Psychology, Education +23

Technology-Enabled and Universally Designed Assessment: Considering Access in Measuring the Achievement of Students with Disabilities--A Foundation for Research

Patricia Almond, Phoebe C. Winter, Renée Cameto et al. · Open Access Journals at BC (Boston College) · 2010 · 48 citations

Effects of Using Modified Items to Test Students with Persistent Academic Difficulties

Stephen N. Elliott, Ryan J. Kettler, Peter A. Beddow et al. · Exceptional Children · 2010 · 48 citations

Persistent Academic Difficulties, Educational Psychology, Disability +16

Intervention Validity of Social Behavior Rating Scales

Stephen N. Elliott, Frank M. Gresham, Jennifer Frank et al. · Assessment for Effective Intervention · 2008 · 43 citations

Social Psychology, Education, Psychometrics +20

Modified Multiple-Choice Items for Alternate Assessments: Reliability, Difficulty, and Differential Boost

Ryan J. Kettler, Michael C. Rodriguez, Daniel M. Bolt et al. · Applied Measurement in Education · 2011 · 38 citations

Engineering, Multiple-choice Items, Disability +21