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The Psychometrics Centre

Cambridge Judge Business School

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IRT and CAT using Concerto (3 days)

When Apr 03, 2019 10:00 AM to
Apr 05, 2019 05:30 PM
Where Cambridge, UK
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Item Response Theory and Computer Adaptive Testing

A three-day course introducing you to Item Response Theory (IRT) and Computer Adaptive Testing (CAT) using the R open-source statistical computing software and Concerto, the open-source online adaptive test development platform. Get first-hand experience of applying IRT analysis to questionnaire data and create item banks suitable for computer adaptive testing. 

  • Introduction to R and RStudio
  • Basic concepts of Item Response Theory (IRT)
  • Generation of calibrated item banks using R packages
  • Simulating CATs to assess item bank performance
  • Scoring CATs using R
  • Administering CATs using Concerto  

CAT Demos using Concerto Version 5:                        Verbal Reasoning            Numerical Reasoning

On-the-fly item generation using Concerto V5           Verbal Logic

Feedback from previous courses:

"The course was incredibly well pitched.. it was the best course I have ever attended in terms of quality of teaching!"
"The introduction to R was very useful for me, Aiden and Chris were good teachers and very helpful." 
"A really great atmosphere and great teaching that fostered a collaborative learning environment."
"I liked the 'spirit' of the workshop which was intense, motivating and very hands-on - thank you so much for a brilliant course!"
 "An excellent three days; it was incredibly informative, well-paced and well organised."

 

Event LocationDates and TimesCost per candidateTutors

Room KH107
Judge Business School
Trumpington Street
Cambridge CB2 1AG

MAP

3rd to 5th
April 2019
3-day course
Wednesday:
10.30 - 17.30.
Thursday & Friday:
09.30 - 17.30

Business: £800 (plus 20% VAT) 
Academics: £600 (plus 20% VAT)
Students:£500 (plus 20% VAT) 

Click on above links to pay

Aiden Loe

Dr Luning Sun

Prior experience with R is not necessary. Participants should bring their own laptops with the latest version of R installed ( https://www.r-project.org/ ) and also RStudio (http://www.rstudio.com/ide/download/ )

Schedule

Day 1 – Introduction to R and Rstudio

10.30 – 11.30 R and Rstudio installation, Introduction to R

11.30 - 13.00 Data analysis and R basics, Practical (Part 1)

13.00 - 02.00 Lunch

14.00 - 15.30 Practical (Part 2)

16.00 - 17.30 Practical examples and exercises, Questions

Day 2 – Item Response Theory (IRT)

09.30 - 11.00 IRT (Theory), Application of IRT models (Practical)

11.15 - 12.45 Different IRT response scales (dichotomous and polytomous)  (Theory), Analysing polytomous scales using the Rasch model (Practical)

12.45 - 02.00 Lunch

14.00 - 15.30 IRT modelling  of the CESD depression scale (Theory & Practical)

16.00 - 17.30 IRT diagnostics of the CESD depression scale (Theory & Practical), Practical examples and exercises, Revisions and Questions

Day 3 – Computer Adaptive Testing (CAT) with Concerto

09.30 - 11.00 Computer Adaptive Testing (CAT Theory and Practical)

11.15 - 12.45 Firestar simulation of item bank performance (Practical), Programming a polytomous adaptive test using the catR package (Practical)

12.45 - 02.00 Lunch

14.00 - 15.30 Introduction to adaptive testing in Concerto (Theory and Practical)

16.00 - 17.30 Final Revision & Exercise, Certificates and Q&A

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