Aptitude Testing

Understanding how quickly someone learns new information can inform your recruitment decisions and help build personal development programmes.

  • Measure mental capacity, including problem solving and adaptability
  • Understand how to develop through training
  • Identify potential leaders who have the skills to drive change
  • Ensure a person is sufficiently challenged

How it works

The General Intelligence Assessment (GIA) measures an individual's aptitude in 5 key areas; Reasoning, Perceptual Speed, Number Speed & Accuracy, Word Meaning and Spatial Visualisation

5 Online Assessments

The GIA consists of 5 online assessments, including reasoning, perceptual speed, number speed and accuracy, word meaning and spatial visualisation.

Detailed Understanding

Gain a detailed understanding of a person’s mental capacity and how quickly they can grasp a new role/regime.

Understand General Intelligence

The overall percentile is an estimate of a candidate's general intelligence, while focusing on their response to training, mental processing speed, concentration and fast track potential.

General Intelligence Assessment Report

Assessment Information

Assessment type: Aptitude

Format: 5 assessments

Availability: 25+ languages

Time to complete:

Training required: GIA Accreditation

Validation: Registered with the British Psychological Society and audited against technical criteria established by the European Federation of Psychologists’ Associations

Background & Theory

The General Intelligence Assessment (GIA), was developed over 15 years by Dr Peter Dann in the Human Assessment Laboratory at the University of Plymouth. Thomas integrated the GIA into its product suite in 2006.

Intelligence has been defined as having fluid and crystallised components (Horn & Cattell, 1966):

Fluid Intelligence (pure processing speed) – basic intellectual processes of manipulating abstract concepts, generalisations and logical relationships (Carroll, 1993). Fluid intelligence is used to solve new problems, use logic in new situations and identify patterns. Crystallised Intelligence (learnt factors) –verbal, mechanical, and numerical ability etc. Crystallised intelligence is the ability to use learned knowledge and experience.

The GIA is an assessment of intelligence designed and theoretically underpinned by Carroll's taxonomy/classification of cognitive abilities components of 'g', which is general intelligence (Spearman's & others' general factor of mental performance). However, the GIA is concerned much more with fluid intelligence and the use of procedural rather than declarative knowledge, by measuring elementary cognitive abilities (perceptual speed, verbal reasoning etc.). This assesses what we have termed trainability rather than 'IQ'.

The GIA looks at an individual's speed of processing information and ability to learn and develop new skills. The General Intelligence Assessment is used for a variety of purposes: recruitment, retention, development, management, identifying training needs, career guidance, succession planning and benchmarking.

The GIA was first developed as a way to measure cognitive abilities and trainability of Armed Forces known as the British Army Recruitment Battery (BARB). As the GIA continued to develop, the Human Assessment Laboratory used the potential of computer technology to pioneer the research and development of item-generation whereby test items are automatically produced to create an extremely large number of different but equivalent forms of the same test (Irvine, Dann & Anderson, 1990). GIA, along with a paper-based version, was developed from the same theoretical principles and resources as BARB. Thomas International integrated the paper-based version into its product suite in 1993 and GIA in 2006.

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Thomas International General Intelligence Assessment

General Intelligence Assessment, work aptitude testing

Format

The General Intelligence Assessment consists of five online tests of simple cognitive abilities (i.e. abilities that rely on processes such as thought, language, decision making, learning and memory).

Each of the five tests has one type of task and all the questions in a given test are of an equal level of difficulty. The individual's score is then determined by the speed and accuracy of their responses. Scores are then compared to a sample population (the norm group) to determine whether the scores are lower, higher or in-line with the majority of that population.

Although the overall score measures 'trainability', each of the five tests measures a specific cognitive function (detailed below):

Perceptual Speed: This test measures the perception of inaccuracies in written material, numbers and diagrams, the ability to ignore irrelevant information, the ability to recognise similarities and differences, and error checking. It tests the speed of semantic encoding and comparison.

Reasoning: This test measures the ability to make inferences, the ability to reason from information provided and to draw the correct conclusions. This test assesses the ability of an individual to hold information in their short-term memory and solve problems.

Number Speed and Accuracy: This is a test of numerical manipulation and a measure of basic numerical reasoning ability. It measures the degree to which an individual can work comfortably with quantitative concepts.

Spatial Visualisation: This test measures the ability to create and manipulate mental images of objects. This test correlates with tests of mechanical reasoning, and assesses an individual’s ability to use mental visualisation skills to compare shapes. It relates to the ability to work in environments where visualisation skills are required to understand and execute tasks.

Word Meaning: This test assesses word knowledge and vocabulary. It assesses the comprehension of a large number of words from different parts of speech and the ability to identify the words that have similar or opposite meanings. It assesses the ability to work in environments where a clear understanding of written or spoken instructions is required.

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Reliability & Validity

The GIA has been subject to rigorous scientific testing to determine its reliability and validity as a psychological assessment. Various research studies have shown that the GIA is a consistent and valid measure of trainability.

The GIA is registered with the British Psychological Society (BPS) after it was audited against the technical criteria established by the European Standing Committee on Tests and Testing, part of the European Federation of Psychologists' Associations.

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