Part 1. Rationale for running records: meeting the diverse needs of learners -- 1. Differentiating instruction: responsive teaching informed by ongoing assessment -- 2. Running records as an authentic assessment measure -- Part 2. Running records step-by-step: assessment that informs differentiated reading instruction -- 3. Assessing reading accuracy -- Part 3. Digging deeper: reading performance reveals process and product -- 4. Assessing reading accuracy -- 5. Assessing reading fluency -- 6. Assessing reading comprehension -- Part 4. Differentiating instruction based on data from authentic curriculum-based measures (running records) -- 7. Differentiating instruction in word reading -- 8. Differentiating instruction in fluency -- 9. Differentiating instruction in comprehension -- 10. Conclusion.