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Measuring Reading

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... to convert from Excel to SPPS and flat text file (recode variables if necessary) ... Create Bilog or Winsteps control file to analyze flat data file ... – PowerPoint PPT presentation

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Title: Measuring Reading


1
Measuring Reading
  • Julie Alonzo Luke Duesbery
  • University of Oregon

2
Construct of Reading
National Reading Panel (2000). Teaching children
to read An evidence-based assessment of the
scientific research literature on reading and its
implications for reading instruction
3
Implementation
  • Basic background of assessment
  • Large K-12 school district in the Northwest
  • 3 upper level curriculum based measures (CBMs) of
    reading
  • IRT implications
  • more information from scores
  • guide instrument improvement

4
The Model
e
xx
xx
xx
xx
xx
5
Model
e
ORF
STATE TEST
VOCAB
COMP
6
ORF
  • ORF measures fluency in reading - student asked
    to read aloud for one minute
  • ORF passages were selected from fiction and
    non-fiction texts. Different (comparable)
    passages chosen for each grade.
  • Each passage is about 250 words long, typed,
    double-spaced, on one side of a single sheet of
    paper.

7
Vocabulary
  • measures word knowledge
  • a word followed by four possible answer choices
    (one near, one far, one in between)
  • correct answer is the 2nd most common definition
    of the word
  • 25 items

8
Comprehension
  • Students read a passage and answer comprehension
    questions
  • 4 answer choices per item.
  • Questions vary in terms of cognitive demand
    literal, inferential, evaluative skills
  • Passages might be fiction or nonfiction
  • 15 multiple choice items.

9
Classical Analysis
10
Classical Analysis
11
Classical Analysis
12
Data Analysis Method
  • Scan bubble sheets, data into Excel
  • Write SPSS script file to convert from Excel to
    SPPS and flat text file (recode variables if
    necessary)
  • Create Bilog or Winsteps control file to analyze
    flat data file
  • Move data back into SPSS file (?)
  • Use Modfit to generate fit statistics
  • Use trait values in regression

13
Step 1
  • Scan bubble sheets, data into Excel

14
Step 2
  • Write SPSS script file to convert from Excel to
    SPPS and flat text file (recode variables if
    necessary)

15
Step 3
  • Create Bilog or Winsteps control file to analyze
    flat data file
  • This generates the trait scores we want
  • (phase1, phase2, phase3)

16
Step 4
  • Move data back into SPSS file (?)

17
Step 5
  • Use Modfit to generate fit statistics

18
Results (Form A preIRT)
e
.24
.60
.43
.69
.18
19
Results (Form B preIRT)
e
.32
.40
.20
.36
.36
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