Technical Test Battery: Second Edition


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Note: This test review was published by BPS on 2nd March 2006

Description of the Test:

The TTB-2 is a revised version of a specific aptitude battery (TTB) first produced in 1979. It is one of a series of specific aptitude batteries produced by SHL for a variety of purposes. The TTB-2 is designed for use with craft, technician, scientific and other technical groups. The 1992 version contains eight tests (rather than the previous nine). The main revisions have been the production of parallel versions of four of the tests; an updating of outdated item content; and an expanded practice leaflet. The eight tests are: 1. Verbal Comprehension (VT1.1) - vocabulary and basic word skills using technical type examples. 2. Numerical Computation (NT2.1, NT2.2) - measures basic numeracy, appropriate for craft apprentices and also general use. 3. Visual Estimation (ET3.1) - measures spatial perception. 4. Mechanical Comprehension (MT4.1, MT4.2) - measures the under-standing of basic mechanical principles, as applied to devices such as pulleys, gears and levers. 5. Technical Understanding (VT5.1, VT5.2) - measures the ability to understand written passages containing the type of material typically found in technical settings such as machine manuals and operating instructions. 6. Numerical Reasoning (NT6.1) - measures simple reasoning skills with numbers, including understanding, reasoning and identifying shortcuts to reach solutions. 7. Fault Diagnosis (FT7.1) - assesses the ability to diagnose faults. 8. Spatial Recognition (5T8.1, 5T8.2) - measures the ability to recognise shapes in two dimensions. Of the eight tests in the TTB-2, four are designated ‘core skills’ - NT2. 1 (Numerical Computation), MT4.1 (Mechanical Comprehension), VT5.1 (Technical Understanding) and 5T8.1 (Spatial Recognition). These tests are produced in the parallel versions identified above. The battery of tests addresses a range of educational attainment from those with no formal education through to GCSE, ‘O’ level or ‘A’ level standard.

Authors: D. Hawkey, H. Baron, S. Keeley

Test Publisher: SHL Group Ltd.

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