Dynamic Indicators of Basic Early Literacy Skills th Edition

Dynamic Indicators of Basic Early Literacy Skills 8th Edition

Administration and Scoring Guide

University of Oregon (2020). 8th Edition of Dynamic Indicators of Basic Early Literacy Skills (DIBELS?): Administration and Scoring Guide. Eugene, OR: University of Oregon. Available:

Contributing Authors

Gina Biancarosa, ED. D. Associate Professor and Ann Swindells Chair in Education Department of Educational Methodology, Policy, and Leadership College of Education, University of Oregon

Patrick C. Kennedy, Ph.D. Research Associate and Director of Data Management and Analysis Group Center on Teaching & Learning College of Education, University of Oregon

Sunhi Park Graduate Research Assistant Fellow Center on Teaching & Learning College of Education, University of Oregon

Janet Otterstedt, MS. Research Assistant and Project Coordinator Center on Teaching & Learning College of Education, University of Oregon

Contributing Editors

Maureen Warman, MS. Senior Research Assistant I and DIBELS Data System Manager Center on Teaching & Learning College of Education, University of Oregon

David Larsen, MA. Senior Research Assistant II and DIBELS Data System Customer Support Manager Center on Teaching & Learning College of Education, University of Oregon

University of Oregon would also like to acknowledge and thank our partner Amplify Education for their work on copy editing and formatting.

Table of Contents

Chapter 1: Introduction to DIBELS? 8th Edition ................................................................................6 DIBELS History..................................................................................................................................... 6 Dimensions of Reading Assessed by DIBELS 8 ........................................................................ 7 Description of DIBELS 8 ................................................................................................................... 8 Appropriate Uses of DIBELS 8.......................................................................................................12 Rationale for and Innovations in DIBELS 8...............................................................................13 Development of DIBELS 8 .............................................................................................................. 23 Phonemes, Phones, and Scoring PSF and NWF ..................................................................... 38 Summary ...............................................................................................................................................41

Chapter 2: Administration Instructions and Scoring Procedures.......................................... 42 DIBELS 8th Edition General Guidelines .................................................................................... 42 Letter Naming Fluency (LNF)........................................................................................................ 53 Phonemic Segmentation Fluency (PSF) ................................................................................... 57 Nonsense Word Fluency (NWF) ....................................................................................................64 Word Reading Fluency (WRF)........................................................................................................ 72 Oral Reading Fluency (ORF) .......................................................................................................... 75 Maze .......................................................................................................................................................80

Chapter 3: Interpreting DIBELS 8th Edition Scores ......................................................................87 DIBELS 8 Test Scores and their Interpretation ...................................................................... 87 DIBELS 8th Edition and Dyslexia Screening.............................................................................91 Cautions in Interpreting DIBELS 8 Scores............................................................................... 92

Chapter 4: Progress Monitoring with DIBELS 8th Edition ........................................................ 94 Choosing a Subtest for Progress Monitoring ........................................................................94 Frequency of Progress Monitoring.............................................................................................. 95 Determining Response to Intervention .....................................................................................96 Off-grade Progress Monitoring..................................................................................................... 97

References .................................................................................................................................................. 99 Appendix A: ORF Passage Statistics................................................................................................106 Appendix B: Maze Passage Statistics.............................................................................................. 114 Appendix C: DIBELS 8th Edition Pronunciation Guide ............................................................... 118 Appendix D: Administration and Scoring Fidelity Checklists.................................................120 Appendix E: Composite Score Calculation Guide .......................................................................126

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