Open Sourcing Our Comparative Judgement Algorithms

This week we released our Comparative Judgement Algorithms under the GNU GENERAL PUBLIC LICENSE Version 3. That means that you are free to use them, modify them, but most importantly we hope you will collaborate with us to improve them!

Progressive Adaptive Comparative Judgement

How can we improve the efficiency of Comparative Judgement?

Pollitt (2012) suggested that an adaptive procedure could lead to efficiency gains, a claim we have discussed in this blog. Under an adaptive procedure scripts should…

Keeping the A in ACJ

In this guest blog the founding father of CJ for education, Alastair Pollitt, responds to our previous post on “Taking the A out of CJ.”

Chris and Ian, I’m very grateful that we are allies in the campaign to Abolish Marksism — the false belief that we should try to…

Does Comparative Judgement Need to be Adaptive (Part 2)

Following our discussions in this blog with Alastair Pollitt on whether or not Comparative Judgement needs to be adaptive, we decided to run some simulations.

We ran 100 simulations of the same 50 candidates with known true scores…

What is Acceptable Behaviour?

Inspired by Anna Trethewey’s paper following the first TouchPaper Problem Party, Simon Knight of the Frank Wise School in Banbury and I set ourselves the task of attempting to measure teacher behaviour thresholds.

At what point does a teacher decide that behaviour is…

Putting Comparative Judgement to the Test

Starting in January 2014 we put Comparative Judgement to the test at Ashbourne Community School in Co. Meath.

A general English test was administered to 137 6th year Post Primary students. The test asked the students to outline a character they sympathised…

CJ Makes the Grade!

Can the outcomes of CJ be used for grading purposes? We’ve found that people often think they cannot, or that grading based on CJ has to be norm-referenced rather than criterion-referenced.

This is not the case at all!

Comparative Judgement: Re-imagined with Meteor

As I faced thirty 12 year olds eagerly looking forward to the lesson I was about to lead I realised I was dreadfully unprepared. I was about to run a peer assessment session using the latest shiny app I had created with the latest technology…