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Many-Facet Rasch Measurement
taught by Everett V. Smith, Jr.
Brief Description:
This course will cover the analysis and interpretation of judge-intermediated ratings, like essay grading, Olympic ice-skating, therapist ratings of patient behavior, etc.
Instructor(s):Level: Advanced-intermediate
Who Should Take This Course:
Researchers and analysts in education, psychology, medicine and other fields who deal with data that include ratings from human judges.
Dates:August 10, 2012 to September 07, 2012August 09, 2013 to September 06, 2013
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Many-Facet Rasch Measurement
taught by Everett V. Smith, Jr.
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Please read the syllabus tab, noting the prerequisites, text and software requirements.
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Many-Facet Rasch Measurement
taught by Everett V. Smith, Jr.
Aim of Course:
This course will cover the analysis and interpretation of judge-intermediated ratings, like essay grading, Olympic ice-skating, therapist ratings of patient behavior, etc. Specifically, you will learn how to assess whether raters function (as desired) interchangeably, or whether they differ systematically in ways that can impair the overall rating system.
This course is a core requirement or elective in the following Program(s) in Analytics and Statistical Studies (PASS):
Prerequisite(s):Participants should have a good grasp of the material covered in Basic Concepts in Probability and Statistics, Introduction to Statistics 1: Inference for a Single Variable, Introduction to Statistics 2: Working with Bivariate Data and Rasch Measurement. Ability to manipulate an Excel spreadsheet is advantageous.
Course Program:
SESSION 1: Software Operation and Basic Concepts
- Software installation and operation
- Facets, elements, persons, items, raters
- Data entry methods, including using Excel
- Rasch measurement concepts
- Dichotomous and polytomous models
- Rasch measures and measurement rulers
SESSION 2: Fit Analysis and Measurement Models
- A two-facet dichotomous analysis
- Observations, measures, expectations and residuals
- Mean-square and standardized fit statistics
- Outfit and Infit statistics
- A three-facet polytomous analysis
- Reliability, separation and inter-rater reliability
- Rating scale structures
SESSION 3: Estimation and Interactions
- A four-facet polytomous analysis
- Missing data
- Bias/interaction analysis
- Graphing interactions with Excel
- Recoding the data
- Interactions with dummy facets
SESSION 4: Anchoring
- Subset detection and remedies
- Anchoring, linking and equating
- Judging plan and Generalizability Theory
- Prettifying output for communication
HOMEWORK:
Homework in this course consists of short answer questions to test concepts.
This course takes place over the internet at the Institute for 4 weeks. During each course week, you participate at times of your own choosing - there are no set times when you must be online. Course participants will be given access to a private discussion board. In class discussions led by the instructor, you can post questions, seek clarification, and interact with your fellow students and the instructor.
The course typically requires 15 hours per week. At the beginning of each week, you receive the relevant material, in addition to answers to exercises from the previous session. During the week, you are expected to go over the course materials, work through exercises, and submit answers. Discussion among participants is encouraged. The instructor will provide answers and comments, and at the end of the week, you will receive individual feedback on your homework answers.
Credit:
Students come to the Institute for a variety of reasons. As you begin the course, you will be asked to specify your category:
- You may be interested only in learning the material presented, and not be concerned with grades or a record of completion.
- You may be enrolled in PASS (Programs in Analytics and Statistical Studies) that requires demonstration of proficiency in the subject, in which case your work will be assessed for a grade.
- You may require a "Record of Course Completion," along with professional development credit in the form of Continuing Education Units (CEU's). For those successfully completing the course, 5.0 CEU's and a record of course completion will be issued by The Institute, upon request.
Course Text:
Instructional material will be provided online by the instructor. A reference work is Many-Facet Rasch Measurement (MESA Press, 1994) from www.rasch.org/books.htm
Software:The course will use a time-limited version of Facets software available when the course starts. Microsoft Excel is used extensively.
Register Now
Yes, I want to register for:
Many-Facet Rasch Measurement
taught by Everett V. Smith, Jr.
Instructor(s):
Dates:
August 10, 2012 to September 07, 2012August 09, 2013 to September 06, 2013
Course Fee: $499
Academic Rate: $399
Before registering, please read the syllabus tab, noting the prerequisites, text and software requirements. When you click the register button, you will be taken to our secure transaction page.
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