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What Really Goes on at an AP Statistics Reading?. USCOTS May 18, 2007 Brad Hartlaub Kenyon College Daren Starnes Fountain Valley School of Colorado. The Growth Continues!. YEAR EXAMS \% PASSING 1997 7,667 62.2 1998 15,488 59.7 1999 25,240 57.1 2000 34,118 53.7

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what really goes on at an ap statistics reading

What Really Goes on at an AP Statistics Reading?

USCOTS

May 18, 2007

Brad Hartlaub

Kenyon College

Daren Starnes

Fountain Valley School of Colorado

the growth continues
The Growth Continues!

YEAR EXAMS % PASSING

1997 7,667 62.2

1998 15,488 59.7

1999 25,240 57.1

2000 34,118 53.7

2001 41,609 59.7

2002 49,824 56.8

2003 58,230 61.9

2004 65,878 59.9

2005 76,786 60.7

2006 88,237 60.2

2007 96,139 ?

grading the ap exam
Grading the AP Exam
  • Rubrics (scoring standards) are drafted by the Chief Reader
  • The Test Development Committee reviews the rubrics and refines the free response questions
  • Rubrics are revised and the Test Development Committee reviews the rubrics for a second time (approximately 6 months after the first review)
  • The Chief Reader makes final revisions to the draft rubrics for the pre-reading meetings
pre reading meetings
Pre-Reading Meetings
  • Four days before the reading begins question teams composed of high school teachers and college and university professors arrive at the reading site (Louisville, Kentucky) to begin sample selection
  • Student samples are selected from hundreds of exam booklets to form training packets and revisions are made to the draft rubrics
  • The leadership team, which will consist of 75 leaders in 2007, conducts practice briefings (training sessions) and final decisions are made on scoring
a typical reading day
A Typical Reading Day
  • A briefing is held to train the readers on how to score a particular question
    • 445 readers will score approximately 100,000 exams in 2007
    • Each reader will score at least two different questions during the seven day reading
  • Readers go to reading rooms and work with a partner on one folder of exams (25 exams in a folder) and then begin scoring other folders
  • Two leaders are in each reading room to answer scoring questions and backread scored exams
ap statistics exam structure and scoring
AP Statistics Exam: Structure and Scoring
  • The AP Statistics Exam consists of two sections:

40 Multiple Choice Questions 90 minutes

counts 50% of exam score

6 Free Response Questions 90 minutes

5 open-ended items @ 12 minutes

1 Investigative Task @ 30 minutes

counts 50% of exam score

  • Purpose of the investigative task: to evaluate students’ understanding in several content areas and to assess their ability to integrate statistical ideas and apply them in a new context or in a nonroutine way.
holistic grading
Holistic Grading
  • We use a holistic scoring system that is probably very different from any system you have ever used to grade papers, projects, or exams:
      • 4 Complete Response
      • 3 Substantial Response
      • 2 Developing Response
      • 1 Minimal Response
      • 0
mock briefing
Mock Briefing
  • Investigative Task from 2006
  • Handouts
    • A Guide to Scoring Free-Response Statistics Questions
    • Question and Rubric (Scoring Standards)
    • Student Samples
    • Scoring Commentary
grade setting
Grade Setting
  • Each student receives a composite score (100 possible points – 50 for multiple choice section and 50 for the free response section)
  • Grades are set based on the distribution of the composite scores.
      • 5 – Extremely well qualified
      • 4 – Well qualified
      • 3 – Qualified
      • 2 – Possibly Qualified
      • 1 – No recommendation
score distributions for 2005 and 2006
Score Distributions for 2005 and 2006

Score 2005 Percent 2006 Percent

5 12.5 12.5

4 22.8 22.3

3 25.2 25.4

2 19.3 18.3

1 20.2 21.5

scoring statistics
Scoring Statistics

Question 2005 2006

1 1.41 2.11

2 1.25 0.46

3 1.46 0.64

4 1.89 1.04

5 1.11 1.00

6 1.62 0.83

professional and social events
Professional and Social Events
  • Professional Night
  • Best Practices Night
  • Statistical Papers Night
  • Social Lounges and Activities
  • Question Debriefings
  • Worst Practices Night
professional development opportunity
Professional Development Opportunity
  • Please consider getting more involved in the AP Statistics Program by becoming a reader.
  • We have been unable to hit our target of 60% college and 40% school readers.
  • To complete the online application, just point your web browser to AP Central (apcentral.collegeboard.com)
question and answer session
Curricular Issues

Course Content

Statistical Software

Course Projects

Post-Exam Activities

Test Development

The Exam

Rubrics

The Reading

Grade Setting

Question and Answer Session
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