Determining Dual Discrepancy for SLD Using The
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Determining Dual Discrepancy for SLD Using The PED Short Cycle Test Results in K-3 Donald J. Frazier, Ph.D. Go to the NM PED Website Select Special Education Department on the A to Z Menu In the SPED Search Box, type in Dual Discrepancy

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Locating The State Test Bank Data

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Locating the state test bank data

Determining Dual Discrepancy for SLD Using The PED Short Cycle Test Results in K-3Donald J. Frazier, Ph.D.


Locating the state test bank data

Go to the NM PED Website

Select Special Education Department on the A to Z Menu

In the SPED Search Box, type in Dual Discrepancy

That will lead you to a web page with a number of different entries

The first two entries are the current short cycle results for fall 2009 and spring 2010.

Find the MAPS Data for Math and Reading/Language Arts for each grade level (K-3)

NOTE: The data used will be from the year prior to the dual discrepancy assessment. Thus, for students referred during 2011-2012, the data used will be from the 2010-2011 school year.

The 2010-2011 data will be listed by the start of school in August.

Locating The State Test Bank Data


Kindergarten math factor 1 fall 2009 scores

Kindergarten – Math (Factor 1)Fall 2009 scores

MAPS - Kindergarten

Mean = 141.4

1.5 Standard Deviation = 17.76

Cutoff = 123.6 or below

MAPS – 2nd Grade

Mean = 173.7

1.5 Standard Deviation = 17.31

Cutoff = 156.4 or below

MAPS – 3rd Grade

Mean = 188.2

1.5 Standard Deviation = 18.48

Cutoff = 169.7 or below

MAPS – 1st Grade

Mean = 158.3

1.5 Standard Deviation = 20.45

Cutoff = 137.9 or below


Examples

Examples

What can you make of these scores?

  • Student score on MAP kindergarten Math was 129

  • Student score on MAP 1st grade Math was 126

  • Student score on MAP 2nd grade Math was156

  • Student score on MAP 3rd grade Math was 182


Factor 2 example learning slope scores

Factor 2 Example: Learning Slope Scores

STUDENTS Fall Score Winter Score DIFFERENCE

Student 1 1645 1690 + 45

Student 2 2005 2008 + 3

Student 3 1880 1942 + 62

Student 4 2076 2125 + 49

Student 5 1889 1915 + 26

Student 6 2109 2250 +141

Student 7** 1748 1730 - 18

Student 8 2067 2101 + 34

Student 9 1776 1941 +165

Student 10 1850 1949 + 99

Student 11 1921 --- -----

NOTE: Students who took only one of the tests must NOT be included in the analysis

  • First, obtain the mean and standard deviation of the difference scores

  • MEAN Difference = 60.6 of all students in this grade who took fall and winter EPS Reading test

  • SD = 58.3

  • 1.5 SD (1.5 X 58.3) = 87.5

  • Slope Cut Score For Grade = 60.6 – 87.5 = - 26.9

  • Thus, the individual student would need to have a growth rate that was a decrease of -26.9 or more.


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