New open access journal Psychological Test Adaptation and Development (PTAD) launched

We are pleased to announce that Hogrefe has just launched “Psychological Test Adaptation and Development” (PTAD), a new open access journal which focusses on publishing articles on the development and adaptation of psychological assessment instruments. CLICK HERE to download a flyer with all the information you will need to submit your report, and a mission statement from Editor-in-Chief Matthias Ziegler (Humboldt University Berlin, Germany). All open science and registered reports are welcome on tests for the assessment of intelligence and narrow facets of ...

Read More


Ian J. Deary OBE – Second edition of ‘Intelligence: A Very Short Introduction’

Ian J. Deary is Professor of Differential Psychology at the University of Edinburgh.  In his Second Edition of his book on intelligence he describes what psychologists have discovered about how and why people differ in their thinking powers. It includes a new chapter on sex difference in intelligence and considers the new field of cognitive epidemiology, which draws links between intelligence and better health, less illness, and longer life.  This 2nd edition also includes new work on DNA testing and intelligence genetics and is part of the Oxford University Press Very ...

Read More


Graduate level article 1


2015 Lifetime Achievement Award: John Loehlin

The Lifetime Achievement Award is ISIR’s highest honor, reserved for individuals who have, over their professional lifetime, substantially advanced the field of intelligence. The 2015 awardee was Professor John Loehlin. Professor Loehlin has contributed  to statistics (he has a multi-edition book on structural equation modeling), computational modeling (he wrote some of the earliest simulations in psychology, twin research - he still publishes actively in this field, and, of course in intelligence. He assembled one of the first large twin studies, and over decades ...

Read More