# Reckase (2003) proposes a method for designing an item pool for a computer# adaptive test that has been known as the bin and union method. This method# involves drawing a subject from a distribution of abilities. Then selecting# the item that maximi...
One fascinating thing about working in the area of psychological statistics is how hard it is to move people away from reliance on bad, inefficient or otherwise problematic methods. My own view - informed to some extent by the literature, by experience...
# Item equating is the practice of making the results from two # different assessments equivalent. This can be done by either# 1. having the same group take both assessments# 2. having equivalent groups take the different assessments# 3. having non-eq...
This test is the first attempt to seriously assess the ability of individuals to survive a zombie apocalypse. This test is administered using the R powered open-source testing platform Concerto developed at the University of Cambridge. The t...
Though nobody has complained there has been a certain amount of drift in my blog focus over time from a blog that focuses primarily on econometrics methodology to that of psychometrics and even now to test development. I have appreciated the cont...
I have just released my first complete test of non-verbal problem solving skills. It is run on Concerto (an R-based application development platform targeted at primarily test developers) Try it out by following the link below.Non-Verbal Re...
# This is my first attempt to post a example of a test using Concerto 4 beta.# This is an extremely simple test. Too simple to be useful to most people yet I believe it is didactically helpful.The Following is the HTML code for Template 9. It is ...
Concerto is a open source R Content Management System for developing online applications. The primary purpose of Concerto is for the designing of online tests. However, the hard working programmers at the University of Cambridge Psychometri...
