It is incumbent on medical schools to show, both to regulatory bodies and to the public at large, that their graduating students are "fit for purpose" as tomorrow's doctors. Since students graduate by virtue of passing assessments, it is vital that schools quality assure their assessment procedures, standards, and outcomes. An important part of this quality assurance process is the appropriate ...

Herrnstein and Murray (1994, pp. 22-23) stated six propositions concerning a g factor of intelligence. Because these propositions had been widely criticized in public media as being false and pseudoscientific, they are examined here for support in the scientific literature. All are found to be reasonably well supported. Most experts agree that there is a general factor g on which human beings d...

Artificial intelligence (AI) is having a deep impact on the way humans work, communicate and enjoy their leisure time. AI systems have been traditionally devised to solve specific tasks, such as playing chess, diagnosing a disease or driving a car. However, more and more AI systems are now being devised to be generally adaptable, and learn to solve a variety of tasks or to assist humans and org...

In this paper, I discuss various examples arising from different areas in psychometrics. I will show that they have a common background and can be solved using a constrained quadratic optimisation algorithm developed by Albers et al. (2008a,b).