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Topics - dan_c

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ConQuest News / Understanding Rasch Measurement Theory
« on: June 17, 2020, 07:34:31 AM »
The next iteration of Understanding Rasch Measurement Theory starts on Monday 13 July 2020.  This is a 100% online, 10 week, part-time, masters level course.
 
Led by world-renowned researcher and psychometrician Professor Geoff Masters, this masters level course will unlock the practical understanding you need to get the most from Rasch.
 
Find out more about enrolments, course outline and contents, and what to expect from an ACER online course below.
 
https://www.acer.org/au/professional-learning/postgraduate/rasch

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ConQuest News / ACER ConQuest Version 5: available now!
« on: April 30, 2020, 04:51:55 AM »
Version 5 of ACER ConQuest is now available.

Version 5 is a major upgrade on version 4 and includes new features including:
  • Bayesian estimation using Markov Chain Monte Carlo (MCMC)
  • Integration with R through the conquestr library
You can download ConQuest 5 here: https://shop.acer.edu.au/acer-conquest-5

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Questions and Answers / Small font size in ConQuest GUI on Windows 10
« on: April 23, 2019, 01:53:53 AM »
Some users have reported the font size in ConQuest GUI on Windows 10 is very small.

see example attached.

The workaround is to disable high DPI scaling behaviour.

1. Open ConQuest GUI
2. Right click the icon in the taskbar and click "properties"
3. Go to the Compatibility tab, enable “Override High DPI scaling behavior” and set the Scaling Behaviour to “System.”
4. click okay

See attached image.

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General Discussion / MOVED: Error Message
« on: April 07, 2019, 11:13:05 PM »

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ConQuest News / conquestr: integrating ConQuest into R workflows
« on: March 29, 2019, 12:06:35 AM »
A new R library has been released that can be used to call ConQuest from within R, and read in ConQuest objects (ability estimates, item parameter estimates etc) to be used within R.

https://cran.r-project.org/package=conquestr

You will need a beta version of ConQuest to use this library. If you would like to try conquestr, register at the ACER Shop, and send an email to our customer support team:

https://shop.acer.edu.au/

You can find an example of how to use conquestr in the vignettes:

https://cran.r-project.org/web/packages/conquestr/vignettes/intro-to-conquestr.html

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General Discussion / MOVED: calculate PV
« on: March 10, 2018, 03:21:34 AM »

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ConQuest News / MOVED: Re: TIMSS question
« on: March 10, 2018, 03:20:58 AM »

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General Discussion / Special Announcement:  BTD and RSA on Rasch.org
« on: February 06, 2018, 11:08:04 PM »
Unrelated, yet related to ConQuest:

Best Test Design (Wright & Stone, 1979) and Rating Scale Analysis (Wright & Masters, 1982) are now available for free download on Rasch.org.

https://www.rasch.org

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General Discussion / MOVED: Missing items and discrimination
« on: July 25, 2017, 01:07:29 AM »
This topic has been moved to Q&A.


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ConQuest News / Minimum working examples
« on: February 14, 2017, 03:58:12 AM »
Some users want to ask questions, report bugs, or provide examples of functionality in ConQuest.

To make this easy and to ensure the members of the forum can follow along and reproduce the issue (and maybe contribute their own solutions), it would be helpful to post a minimum working example.

A minimum working example is the smallest possible example that illustrates a problem that is fully self contained. That is, any user should be able to recreate the issue using the syntax and data you provide.

ConQuest doesn't have any built in example data sets or analyses, but there is a notes and tutorial page that provides simple examples of syntax and data: https://www.acer.edu.au/conquest/notes-tutorials. Using these as the basis of a minimum working example has a few benefits:

  • The syntax is a simple starting point and avoids complex labelling, formatting, or analysis that users may include in their own analysis
  • The data is not proprietry or confidential and therefore there is no problem with sharing it on the forum

I have attached an example skeleton of a minimum working example. What do you think? Feel free to edit/change/offer suggestions...

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