Analyze Error Patterns
DIBELS, 6th Edition
1. Analyze the Whole Picture
2. Note Areas of Concern
3. Study Error Patterns on Booklet
Pages
4. Summarize Observations
DIBELS Next
1. Review the Composite Sheet
2. Review the Indicator Scores
3. Analyze each Scoring Page
4. Record Observations
Questions to ask when analyzing DIBELS scores.
FSF:
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How accurate is the student with initial sounds?
How fluent is the student with initial sounds?
What percent of the responses earned a 2-point answer?
For all attempted words that have blends, in what percentage of responses
was the initial sound segmented?
What percentage of the words attempted included the vowel along with one
or more consonants?
Are there any other unusual error patterns?
LNF:
 How accurate is the student in letter naming?
 How fluent is the student in naming letters?
 Is there a pattern of missing letters that are harder because they are used
infrequently?
 Did the student miss more lowercase letters than uppercase letters?
 Does the student get any letters correct one time and incorrect another time?
 Does the student correctly name the letters in his/her own name?
 Did the student skip more than one row or not read across the row left to
right?
PSF:
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Does the student know how to segment phonemes?
How many times does the student partially segment rather than completely
segment the word?
How accurate is the student in segmenting phonemes?
How fluent is the student in segmenting phonemes?
How accurate is the student’s knowledge of initial sounds?
How accurate is the student’s knowledge of final sounds?
How accurate is the student’s knowledge of vowels?
NWF:
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How accurate is the student’s knowledge of letter-sound correspondences?
How fluent is the student in reading nonsense words?
How accurate is the student’s knowledge of initial letter sounds?
How accurate is the student’s knowledge of final letter sounds?
How accurate is the student’s knowledge of middle vowel sounds?
DORF:
 What is the student’s accuracy rate on all three passages?
 Did the student perform differently on narrative versus expository passages?
 Are there any patterns in the student’s errors?
Retell:
 Is there consistency or variability in the student’s Retell percent of DORF?
 Is the student’s Retell Quality score consistent or variable?
Daze:
 What is the student’s accuracy rate on Daze responses?