Information Technology Test Series

SHL Talent Measurement Solutions

Summary of Test Review

General description of Test


Test Review Summary

Test Name:Information Technology Test Series
Authors of Original Test: S. Keeley
H. Baron
D. Hawkey
S. Hobley.
Local test distributor / publisher:SHL Group Ltd
Date of Current Review:2003
Date of Publication of Current Review / Edition:02 Mar 2006
Type of Test:General Ability
Verbal Ability
Numerical Ability
Spatial Ability
Non-verbal Ability
Perceptual Speed
Main Area of Use:Work and Occupational
Constructs Measured:Measures aptitude for a range of jobs related to information technology through the measurement of the seven specific abilities listed above.
Administration Mode:Supervised Group administration
Computerised locally-installed applications - supervised proctored (SIT7 only)
Response Mode:Paper and pencil
Computerised (SIT7 only)
Bureau Scoring (DIT6 and SIT7)
Online (DIT6 only)
Online Bureau (DIT6 only)
General Description of Test:The ITTS is a series of tests designed to assess aptitude for a range of jobs related to information technology (IT) through the measurement of seven specific abilities. The manual positions the battery in terms of ‘selection, placement and career development’ in relation to work such as hardware design, software engineering, programming and systems analysis. The ITTS is a redevelopment of the 1979 Programmer Aptitude Series (PAS). Three tests remain from this battery (NIT2, DITS and SIT7), and these were revised in 1991. Four new tests were developed on the basis of job analysis and validity studies, and reviews of relevant literature. The seven tests can be used as a full battery, as standalone tests, or in combinations. They are: 1) Verbal reasoning (VITi). The ability to reason with verbal material presented in a technical context (e.g. relating to computer manuals). 2) Number series (NIT2). The high-level ability to reason with numbers, particularly in terms of spotting relationships between numbers (e.g. identifying the next number in a sequence). The emphasis is on developing appropriate strategies, and so it is likely to be relevant in the selection of computer programmers or software developers. 3) Computer checking (CIT3). A speed test of the ability to check details accurately in non-contextual information (i.e. strings of letters and symbols). These skills are quite basic, but are likely to be important in any area of programming. 4) Syntax checking (CIT4). The ability to check details accurately in the context of mock programming language rules (e.g. do lines of programme conform to certain rules?). This is likely to be relevant for any job which involves program writing, coding or debugging. 5) Diagramming (DITS). The ability to follow complex instructions represented symbolically. A set of symbols are linked with specific commands (e.g. invert symbol, omit symbol), and these must be correctly applied to transform a list of given symbols. this is likely to be important in design and diagnostic work. 6) Diagrammatic reasoning (DIT6). The ability to infer rules from a symbolic system and apply them in new situations. This ability to work through problems requiring the isolation of underlying rules is likely to be of direct relevance to jobs which involve the design, maintenance, diagnosis and debugging of software. 7) Spatial reasoning (SIT7). The ability to visualise and manipulate shapes in three dimensions, when initially presented in two dimensions. Relevant jobs would include engineers, designers and draughts people.


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