The Thomas Aptitude assessment (also known as the General Intelligence Assessment, or GIA), was developed over 15 years by Dr Peter Dann in the Human Assessment Laboratory at the University of Plymouth. Thomas integrated the assessment into its product suite in 2006. The Thomas Aptitude assessment measures an individual's aptitude in 5 key areas; Reasoning, Perceptual Speed, Number Speed & Accuracy, Word Meaning and Spatial Visualisation. Validation: Registered with the British Psychological Society and audited against technical criteria established by the European Federation of Psychologists’ Associations.
