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Test Specification

Test Specification. Purposes, structure, nature and use. Contents:. Purposes Structure Nature Use. Test parameters. 1. Purpose. 1. Purpose. 1. Purpose. 2. Spec structure:. General Description (GD) Prompt Attribute (PA) Response Attribute (RA) Sample Item (SI). 3. Nature: Essence.

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Test Specification

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  1. Test Specification Purposes, structure, nature and use

  2. Contents: • Purposes • Structure • Nature • Use

  3. Test parameters

  4. 1. Purpose

  5. 1. Purpose

  6. 1. Purpose

  7. 2. Spec structure: • General Description (GD) • Prompt Attribute (PA) • Response Attribute (RA) • Sample Item (SI)

  8. 3. Nature: Essence

  9. 3. Nature: Reiterative process

  10. 3. Nature: Spec bank

  11. 3. Nature: mix of ingredients • Test essence • Proficiency (psychological, cultural skills) • Criterion-referenced • Validity and consistency ………………………………. • Takes time (reiterative process) • Context dependent • Mandated • Takes team effort

  12. 4. Use: calibration • Internal • External

  13. 4. Internal calibration • Prompt Attribute (PA): general enough • Response Attribute (RA): observable

  14. 4. External calibration • Context & Mandate • Knowledge / skills selection • Spec writing • Item writing • Assemble test • Finalize, operationalize, measure

  15. Spec structure: • General Description (GD) • Prompt Attribute (PA) • Response Attribute (RA) • Sample Item (SI)

  16. Review: • Purposes • Structure • Nature • Use

  17. Today’s tasks • Matching line numbers: spec features with their reflections in the SI • Identification of deviations from a spec in its SI • Generating (writing) a SI from a spec

  18. Task 1 Match the following line numbers of the spec with lines of its Sample Item in which spec characteristics are reflected. Make collective decisions.

  19. Task 1: the answers

  20. Task 2 Identify deviations from the spec in its Sample Item. In your worksheet, write down the SI line number in which a deviations is identified and explain it. Make group decisions.

  21. Task 2: the answers

  22. Task 3 Generate (write) a Sample Item from the spec. Discuss your decisions with your partners.

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