Quantitative Research Terms

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Author:
Anonymous
ID:
177877
Filename:
Quantitative Research Terms
Updated:
2012-10-15 19:58:47
Tags:
Quantitative statistics
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Description:
Terms, Theories and Formulas for Quant Statistics
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  1. RELIABILITY PURPOSE
    • Measure of consistency
    • Necessary but not sufficient condition for validity
    • Measured using statistical index (correlation coefficient)
  2. RELIABILITY DEFINITION
    WHETHER A TEST OR MEASUREMENT TOOL MEASURES SOMETHING CONSISTENTLY
  3. ERROR VARIANCE OF RELIABILITY:
    STABILITY OVER TIME
    Same Assessment, Multiple Occasions, Two administrations
  4. ERROR VARIANCE OF RELIABILITY:
    EQUIVALENCE OF FORMS
    • Academic different versions of the same test,
    • two administrations,
  5. ERROR VARIANCE OF RELIABILITY:
    SCORER CONSISTENCY
    Open-ended items, Two administrations
  6. ERROR VARIANCE OF RELIABILITY:
    INTERNAL CONSISTENCY
    Item-to-Item, SINGLE administration
  7. TYPES OF RELIABILITY:
    TEST-RETEST
    • -Two adminstrations
    • -measures error due to time, length of time inĀ  between tests
    • -focus on extent which scores can be generalized
    • -administer scale twice, calculate correlation coeffecient
  8. TYPES OF RELIABILITY:
    ALTERNATE/EQUIVALENT FORMS
    • -Two administrations to SAME group
    • -measures equivalence of two forms

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