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Key Math 3

Published on Nov 20, 2015

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PRESENTATION OUTLINE

KEY MATH 3

THE QUICK AND DIRTY

GENERAL INFO

  • Austin Connolly
  • Published by Pearson (2007)
  • Age range 4 yrs 6 mos -- 21 years
  • 2 forms: A and B
  • No time constraint (typically takes 40"-50")
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PURPOSE

  • Reflect the content and process standards described in the NCTM
  • Measure math proficiency and student progress
  • Support instructional development (RTI/MTSS Tier II and Tier III placement)
National council of teachers of mathematics
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USER QUALIFICATIONS

  • BA with coursework in measurement
  • Formal training in mathematics
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Norming

  • 3,630 aged 4yrs 6 mos -- 21yrs 11 mos
  • March 2006--December 2006
  • Grade norm sample K-12
  • Age blocks- 3 Months
  • Race/ethnicity, age, parent's education, disability

Age Norm Sample

-Grade 12 or GED 1,104
-1-3 yrs of college 1,082
-4+ years of college 951

Criterion Related Validity

  • KeyMath Revised, Normative Update (k-5=.96, 6-12=.91)
  • KeyMath3 DA 2nd Edition (k-5=.83, 6-12=.88)
  • Iowa Tests of Basic Skills (1-8=.79)
  • Kaufman Test of Educational Achievement (k-5=.83, 6-12=.88)
  • Measures of Academic Progress (1-5=.82, 6-12=.88)

CONSTRUCT VALIDITY

  • KeyMath Revised
  • Kaufman Test of Educational Achievement
  • Iowa Test of Basic Skills
  • Group Mathematics Assessment and Diagnostic Evaluation

CONTENT VALIDITY

  • Content was organized and aligned with curricular framework.
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Test-Retest Reliability

  • Basic Concepts: .95
  • Operations: .93
  • Applications: .93
  • Total Test: .97
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Alternate Form Reliability

  • Basic Concepts: .94
  • Operations: .93
  • Applications: .88
  • Total Test: .96

Internal Consistency Reliability

  • Form A K-5: Basic .92, Operations .89, Apps .85, Total .95
  • Form A 6-12: Basic .96, Operations .94, Apps .89, Total .98
  • Form B K-5 Basic .93, Operations .90, Apps .87, Total .96
  • Form B 6-12 Basic .95, Operations .94, Apps .89, Total .97

WHY IS THIS A GOOD TEST?

  • Computer scoring available and easy to use
  • Contains 10 subtests-> grouped into three areas
  • Content reflects standards in NCTM
  • Sensitivity review conducted to evaluate each item for fairness
  • Adaption of special needs
Subtests: Numeration, algebra, geometry, measurement, data analysis and probability, mental computation and estimation, addition and subtraction, multiplication and division, foundations of problem solving, applied problem solving

3 areas- basic concepts, operations, applications

Individual administrations, untimed, simplified language

American Printing House for the Blind reviewed easels for color vision and low vision considerations
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