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Connecting Research to Practice Connecting Research to Practice:
Archived Events

Interpreting Test Score Trends and Gaps

May 8, 2009
Chicago, Illinois

At this event, Andrew Ho, Ph.D., discussed some common misinterpretations of proficiency rates and then introduced a toolbox of alternative reporting strategies for trends, gaps, and trends in gaps. Links to each video segment follow.

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Interpreting Test Score Trends and Gaps

Video Segment Title

PowerPoint Slides
Supporting Policy
Brief Pages

Segment 1: Introduction and the History of Proficiency Research [Time: 00:10:58]
Slides 1-6

Policy Brief, page 2

Segment 2: The Problem with Proficiency [Time: 00:01:28]
Slide 7

Policy Brief, page 5

Segment 3: Level 1: Cut scores are judgmental [Time: 00:04:16]
Slides 8-22

Policy Brief, pages 5–7

Segment 4: Level 2: Proficiency-based trends and gaps are not representative
[Time: 00:06:17]
Slides 24–46

Policy Brief, pages 5–7

Segment 5: Just one cut-score? [Time: 00:04:15]

Slides 48–60

Policy Brief, pages 5–7

Segment 6: Summary of Levels 1&2 and Quiz [Time: 00:04:21]
Slides 61–65

Segment 7: Answers to Quiz and Discussion [Time: 00:10:52]
Slide 65

Segment 8: Level 3- Proficiency-based gap trends are not representative [Time: 00:06:00]
Slides 66–74

Policy Brief, pages 9–10

Segment 9: Level 4- Proficiency-based statistics are inherently short-sighted and not subject to quick fixes [Time: 00:14:14]
Slides 76–96

Policy Brief, pages 8–9

Segment 10: Conclusion of argument [Time: 00:04:48]
Slides 98–99

Policy Brief, page 11

Segment 11: Introduction to Building a Toolbox [Time: 00:04:19]
Slides 100–102

Policy Brief, pages 12–13

Segment 12: Transformed Percentages [Time: 00:05:33]
Slides 111–114

Segment 13: Means [Time: 00:07:41]
Slides 115–117
Policy Brief, page 12

Segment 14: Percentiles [Time: 00:07:28]
Slides 119–123
Policy Brief, page 13

Segment 15: Effect Sizes [Time: 00:09:16]
Slides 124–127
Policy Brief, pages 14–15

Segment 16: Toolbox Summary and Conclusion [Time: 00:05:39]
Slides 132–134

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