Physikos 2: David Lillis

1. STATISTICAL MODELLING FOR IMPROVEMENT OF SECONDARY AND TERTIARY PHYSICS ASSESSMENTS

2. PHYSICS: EXTERNAL RESULTS LEVEL 3 BY GENDER (2010)

3. LEVEL 3 EXTERNAL STANDARDS (2010 RESULTS)

5. 2010 PEP BANDS ACTUAL: N = 32.3%; A = 46.2%; M = 15.1%; E = 6.4%

7. RESULTS: PHYSICS 90522

8. PHYSICS 90522 Principal Components Analysis

9. PHYSICS 90254: Waves (Level 2)

10. ECONOMICS 90631 (Level 3) Market failure and government interventions

11. CHEMISTRY 90696 (Level 3) Oxidation-reduction processes

12. STATISTICS 90643 (Level 3) Probability

13. PHYSICS 90522: ITEM LOADINGS THE FIRST & SECOND DIMENSIONS

16. INTER-ITEM & ITEM TOTAL CORRELATIONS (CRONBACH ALPHA = 0.76)

19. ITEM-CHARACTERISTIC CURVE (DICHOTOMOUS) DIFFICULTY : the ability at which P = 0.5 DISCRIMINATION: slope at that point

20. ITEM-CHARACTERISTIC CURVE (POLYTOMOUS)

22. 90522: EXAMPLE ITEM PARAMETERS (Graded Response Model)

23. PHYSICS 90522: HISTOGRAM OF CANDIDATE ABILITIES (PERFORMANCES)

24. PHYSICS 90522: ITEM CHARACTERISTIC CURVES

28. ALIGNMENT OF ACTUAL FINAL GRADES WITH ABILITY-BASED GRADES

29. THE SCORE-GRADE METHOD 7 8 5 6 3 4 1 2 0 E M A N

31. NEW ZEALAND SCHOLARSHIP

32. AWARDING SCHOLARSHIPS IN PHYSICS

33. RELATIONSHIP BETWEEN PERFORMANCE IN NCEA LEVEL 3 PHYSICS AND SCHOLARSHIP PHYSICS

34. DIFFERENTIAL ITEM FUNCTIONING (DIF) Two or more groups of candidates, matched for ability, perform differently on a particular item.

35. DIF: ILLUSTRATION ( Item 1 from the 2010 Geography 90704 examination)