speece by hedongchenchen

VIEWS: 5 PAGES: 16

									        Hitting the Moving Target Known as Reading
                       Development:
          Some Thoughts on First Grade Screening
                                            Deborah Speece
                                         University of Maryland


Responsiveness-to-Intervention Symposium
December 4-5, 2003 • Kansas City, Missouri

The National Research Center on Learning Disabilities, a collaborative project of staff at Vanderbilt University and the University of
Kansas, sponsored this two-day symposium focusing on responsiveness-to-intervention (RTI) issues.

The symposium was made possible by the support of the U.S. Department of Education Office of Special Education Programs. Renee
Bradley, Project Officer. Opinions expressed herein are those of the authors and do not necessarily represent the position of the U.S.
Department of Education.

When citing materials presented during the symposium, please use the following: “Speece, D. (2003, December). Hitting the moving
target known as reading development: Some thoughts on first grade screening. Paper presented at the National Research Center on
Learning Disabilities Responsiveness-to-Intervention Symposium, Kansas City, MO.”
                                            The Problem
• Over identification
      Too many NRD children identified by
  screen

• Under identification
    Too many RD children missed by screen


Speece, D. (2003, December). Hitting the moving target known as reading development: Some thoughts on first grade screening. Paper presented at
the National Research Center on Learning Disabilities Responsiveness-to-Intervention Symposium, Kansas City, MO.                                  2
                                        OUTCOME                                                 OUTCOME
                                        Rdg. Dis.                                               Not Rdg. Dis.
SCREEN                                                                                          ERROR!
At Risk                                                                                         Over
                                                                                                identification
                                                                                                (false positives)
SCREEN                                  ERROR!
Not At Risk                             Under
                                        identification
                                        (false negatives)
 Speece, D. (2003, December). Hitting the moving target known as reading development: Some thoughts on first grade screening. Paper presented at
 the National Research Center on Learning Disabilities Responsiveness-to-Intervention Symposium, Kansas City, MO.                                  3
       Federal panel urges doctors to
           screen for obesity….

       “…urged for the first time to
      weigh and measure all adults.”
                                             Washington Post 12-02-03



Speece, D. (2003, December). Hitting the moving target known as reading development: Some thoughts on first grade screening. Paper presented at
the National Research Center on Learning Disabilities Responsiveness-to-Intervention Symposium, Kansas City, MO.                                  4
                              The Moving Target:
                                Child Growth
• Scarborough (1998)

• Phillips et al. (2002)

• Byrne et al. (2002)

• Deno et al. (2001)
Speece, D. (2003, December). Hitting the moving target known as reading development: Some thoughts on first grade screening. Paper presented at
the National Research Center on Learning Disabilities Responsiveness-to-Intervention Symposium, Kansas City, MO.                                  5
                How to Measure Growth?
•     CBM Dual Discrepancy Model
•     Slope  Weekly, 8 weeks
•     Diagnostic (Outcome)
•     Screen
•     Efficient?



Speece, D. (2003, December). Hitting the moving target known as reading development: Some thoughts on first grade screening. Paper presented at
the National Research Center on Learning Disabilities Responsiveness-to-Intervention Symposium, Kansas City, MO.                                  6
                                        An Illustration
•     2 Cohorts of First Grade Children
•     Weighted N = 684
•     Letter Sound Fluency Sept./Oct., Jan.
•     Oral Reading Fluency Jan.




Speece, D. (2003, December). Hitting the moving target known as reading development: Some thoughts on first grade screening. Paper presented at
the National Research Center on Learning Disabilities Responsiveness-to-Intervention Symposium, Kansas City, MO.                                  7
                             Screening Measures
• LSF Fall
• LSF Jan.
• ORF Jan.

• LSF Growth (LSF Jan. – LSF Fall)
• LSF Jan. Slope
• LSF Jan. Level & Slope (DD)
Speece, D. (2003, December). Hitting the moving target known as reading development: Some thoughts on first grade screening. Paper presented at
the National Research Center on Learning Disabilities Responsiveness-to-Intervention Symposium, Kansas City, MO.                                  8
                        Predicted Growth in Grade 1 ORF by Child Status
                   60


                   50             AR          NAR
Words Per Minute




                   40


                   30


                   20


                   10


                   0
                        1   2    3     4     5     6     7     8     9 10 11 12 13 14 15 16 17 18 19 20 21 22
                                                                    Weeks (Jan-May)
         Speece, D. (2003, December). Hitting the moving target known as reading development: Some thoughts on first grade screening. Paper presented at
         the National Research Center on Learning Disabilities Responsiveness-to-Intervention Symposium, Kansas City, MO.                                  9
                              Criterion Measures
1. AR – NAR differences on May
     Reading =
     WJ-R Basic Reading Skills
     WJ-R Passage Comprehension
     ORF Level
     ORF Slope


Speece, D. (2003, December). Hitting the moving target known as reading development: Some thoughts on first grade screening. Paper presented at
the National Research Center on Learning Disabilities Responsiveness-to-Intervention Symposium, Kansas City, MO.                               10
                                 Criterion Measures
2. Classification Accuracy:
    WJ-R BRS SS < 90
    WJ-R BRS SS < 78
    ORF < 40
    ORF DD (< -1 SD Level and Slope)



Speece, D. (2003, December). Hitting the moving target known as reading development: Some thoughts on first grade screening. Paper presented at
the National Research Center on Learning Disabilities Responsiveness-to-Intervention Symposium, Kansas City, MO.                                11
                     AR – NAR Differences
Screen Group % AR                                                                                  ES Range

ORF Jan                                          23.8                                              1.35 – 1.81
Level
LSF Fall                                         17.4                                              .89 – 1.40
Level
LSF Jan                                          19.3                                              .86 – 1.30
Level
Speece, D. (2003, December). Hitting the moving target known as reading development: Some thoughts on first grade screening. Paper presented at
the National Research Center on Learning Disabilities Responsiveness-to-Intervention Symposium, Kansas City, MO.                               12
                                AR – NAR cont’d
  Screen Group % AR                                                                                     ES Range

  LSF Jan DD 8.04                                                                                       .52 - .83

  LSF Growth 16.96                                                                                      .37 - .54

  LSF Jan                                            14.33                                              .05 - .30
  Slope
Speece, D. (2003, December). Hitting the moving target known as reading development: Some thoughts on first grade screening. Paper presented at
the National Research Center on Learning Disabilities Responsiveness-to-Intervention Symposium, Kansas City, MO.                               13
                    Classification Accuracy
• 6 Screening Groups x
  (LSF Fall, LSF Growth, ORF Jan, etc)

• 4 Outcome Groups =
  (WJ-R BRS < 78, 90; ORF DD etc.)

• 24 2 x 2 Tables
Speece, D. (2003, December). Hitting the moving target known as reading development: Some thoughts on first grade screening. Paper presented at
the National Research Center on Learning Disabilities Responsiveness-to-Intervention Symposium, Kansas City, MO.                               14
                                                         Outcome: ORF DD
                           Sens.                          FP                                Spec.                         FN
Screen                                                 (over id)                                                       (under id)
ORF                       94.9%                              54%                           85.5%                            0.80%
Jan
Level


 Speece, D. (2003, December). Hitting the moving target known as reading development: Some thoughts on first grade screening. Paper presented at
 the National Research Center on Learning Disabilities Responsiveness-to-Intervention Symposium, Kansas City, MO.                               15
                                                Discussion
• LSF or Growth?
• Practice
  Is 50-50 OK?
• Research
  Different tasks
  Compare weekly, monthly

Speece, D. (2003, December). Hitting the moving target known as reading development: Some thoughts on first grade screening. Paper presented at
the National Research Center on Learning Disabilities Responsiveness-to-Intervention Symposium, Kansas City, MO.                               16

								
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