This document summarizes a presentation on giving effective presentations. It discusses four key aspects of Item Response Theory: 1) item characteristic functions that show the probability of a correct response based on ability, 2) test characteristic functions that combine item functions to predict scores, 3) item information functions that show how well items measure ability, and 4) test information functions that estimate errors in ability measurement. It then discusses principles for designing effective presentations, including keeping it simple, using images and contrast, proper alignment and proximity of content, and delivering presentations without reading slides verbatim.

1. A Presentation on
Presentations
Luis F. Perez
Apple Distinguished Educator

2. Classical Theory and IRT
Item Response Theory:
4 Features:
1. Item characteristic function: probability of a correct response to an item as a
function of ability
2. test characteristic function: sum of item characteristic functions, can be used to
predict scores of examinees at given ability levels
3. item information function: shows the contribution of items to the assessment of
ability (items with high discriminating power contribute more to measurement
precision than lower discrimination item)
4. test information function: sum of item information functions, estimates of errors
associated with ability estimation

3. Death by
Powerpoint

5. Classical Theory and IRT
Item Response Theory:
4 Features:
1. Item characteristic function: probability of a correct response to an item as a
function of ability
2. test characteristic function: sum of item characteristic functions, can be used to
predict scores of examinees at given ability levels
3. item information function: shows the contribution of items to the assessment of
ability (items with high discriminating power contribute more to measurement
precision than lower discrimination item)
4. test information function: sum of item information functions, estimates of errors
associated with ability estimation

6. Item Response Theory
4 Functions

7. 1. Item Characteristic
Function

8. 2. Test Characteristic
Function

9. 3. Item Information
Function

10. 4. Test Information
Function

11. Richard Mayer

12. Dual Coding Theory

13. 3 Steps

14. 3 Steps
Plan

15. 3 Steps
Plan Design

16. 3 Steps
Plan Design Deliver

17. Plan

18. Get Away from the Computer

19. Go Analog
Go Analog

20. Go Analog
Go Analog

23. 3 Steps
Plan Design Deliver

24. Design

25. Keep it simple.

26. Images Add Beauty

31. Slideduments

36. Use More Slides

37. One Idea Per Slide

38. Remove the Noise

39. Sales 2008
Sales A Sales B
Quarter 1 15 20
Quarter 2 30 22
Quarter 3 15 33
Quarter 4 15 55

40. Sales 2008
Sales A Sales B
Q1 15 20
Q2 30 22
Q3 15 33
Q4 15 55

41. Design Principles
Contrast

42. Design Principles
Contrast

43. Use Contrast to Highlight
Sales A Sales B
Q1 15 20
Q2 30 22
Q3 15 33
Q4 15 55

44. Design Principles
Alignment

45. Design Principles
Alignment

46. Design Principles
A B C D
Proximity

47. Design Principles
A B C D
Proximity

48. Use Proximity and
Alignment to Organize
free images
for educators
http://pics4learning.com

49. Use Proximity and
Alignment to Organize
free images
for educators
http://pics4learning.com/

50. 3 Steps
Plan Design Deliver

51. Deliver

52. Deliver

53. Deliver

54. Deliver

55. Deliver

56. To Learn More
http://www.presentationzen.com

57. Questions?