Many-Facet Rasch Measurement

Dr. J. Michael Linacre

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.

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.

For those enrolled in a Program of Advanced Statistical Studies, this is a required or elective course in the following Programs:

• Statistics for Social Sciences - elective

Course Program:

The course is structured as follows:

The Instructor:

Dr. J. Michael Linacre is Research Director of Winsteps.com and formerly Director of the MESA Psychometric Laboratory at the University of Chicago. Dr. Linacre has taught the principles and practice of Rasch measurement for over twenty years, for much of that time in close collaboration with Benjamin D. Wright, for many years the leading proponent of Rasch methodology. Dr. Linacre is the developer of two leading Rasch software titles, Winsteps and Facets, and author of Many-Facet Rasch Measurement (MESA Press, 1994). He has been Editor of Rasch Measurement Transactions since 1989. His research interests include the measurement of health outcomes and authentic educational testing. In over 25 years of developing Rasch software, Dr. Linacre has probably analyzed more Rasch-related datasets, and a greater variety, than any other analyst.

Organization of the Course:

The course takes place over the internet, at statistics.com. 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 is scheduled to take place over 4 weeks, and 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 and work through exercises. Discussion among participants is encouraged. The instructor will provide answers and comments.

Certificates and Grades:

You may be interested only in learning the material presented, and not be concerned with grades or certificates. Or you may be enrolled in a statistics.com Program in Advanced Statistical Studies that requires demonstration of proficiency in the subject, in which case your work will be assessed for purposes of issuing a grade. Or you may require only a "Certificate of Course Completion," along with professional development credit in the form of Continuing Education Units (CEU's). As you begin the class, you will be asked to specify your category.

Credit:

This course offers continuing education units (CEU's). For those successfully completing the course (generally this means marks of 50% or better on the homework), 5.0 CEU's and a certificate will be issued by statistics.com, upon request.

Dates:

Jun. 25 - Jul. 23, 2010
Jun. 24 - Jul. 22, 2011
Click here to be notified of future course offerings.

Participants gain access to the online materials on the first day of the course, and typically spend about 15 hours per week (at their convenience). You retain full access to course materials, including discussion board, for two weeks after the course closing date.

Level:

Advanced-intermediate

Prerequisite:

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. For additional information about course prerequisites, click here.

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.

Registration:

Register Online - $499
Register Online (academic) - $399 (you must be affiliated with a college, university or high school)

Add $50 service fee if you require a prior invoice, or if you need to submit a purchase order or voucher, pay by wire transfer or EFT, or refund and reprocess a prior payment. Please use this printed registration form, for these and other special orders.

Note: Courses may fill up at any time and registrations are processed in the order in which they are received. Your registration will be confirmed for the first available course date, unless you specify otherwise.

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