Complete Kit
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SON-R 6-40

SON-R 6-40 Non-Verbal Intelligence Test

P. J. Tellegen & J. A. Laros

Paper and Pencil
Electronic
Paper and Pencil
Complete Kit
product number: 5513610
£1,550.00
Excluding VAT
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Manual Set (Part 1 - Research Report, Part 2 - Instructions, Part 3 - Norms)
product number: 5513612
£77.00
Excluding VAT
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Record Forms (50)
product number: 5513613
£88.00
Excluding VAT
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Patterns Booklets (50)
product number: 5513614
£115.00
Excluding VAT
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Manual Part 1 - Research Report
product number: 5513615
£68.00
Excluding VAT
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Manual Part 2 - Instructions
product number: 5513616
£53.00
Excluding VAT
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Manual Part 3 - Norms
product number: 5513617
£53.00
Excluding VAT
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Electronic
Scoring program (CD-ROM)
product number: 5513618
£262.00
Excluding VAT
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Complete Kit

Overview

The SON-R 6-40 is a general intelligence test suitable for both children and adults, and assesses a broad spectrum of cognitive abilities without involving the use of language

Did you know the SON-R is SASC approved? Read about its inclusion on this important list of assessments here.

Suitable for

Individuals aged 6 to 40 years

Language Versions

English, Dutch, and German

Product Description

The SON-R 6-40 is designed to be applied without the use of verbal or written instruction. It is ideally suited for the assessment of individuals with communication difficulties, including the deaf, the partially deaf and those with speech disorders. Other applications include use with children with delayed development, learning disabilities or those who are otherwise difficult to test. It is also widely used with children and adults who have little or no command of English.

The assessment consists of four subtests with 124 items in total. The tests are adaptive, meaning the assessment can be carried out rapidly without compromising reliability. The use of written or spoken language is not required during testing. The adaptive test procedure and the feedback that is given after each item enhance subject motivation and contribute to the general acceptability of the instrument.

The subtests include:

Analogies

This subtest looks at abstract and deductive reasoning. Participants must discover the principle of change in an example analogy where one geometrical figure changes in another geometrical figure, and apply this principle to another comparable figure.

Categories This subtest looks at abstract reasoning. Three pictures of objects have one characteristic in common. From a series of five separate pictures, participants must choose two that possess the same characteristic.
Mosaics This subtest is a test of performance. Participants must recreate mosaic patterns in a frame using red and white squares.
Patterns This subtest looks at spatial reasoning and visuo-motor skills. Each pattern consists of one or more lines with a systematic pattern. The middle part is missing and the participant is required to fill this in with the same pattern.

An important way in which SON-R tests differ from most intelligence tests is that after each item feedback is given by telling the test taker whether the solution was correct or incorrect. The test administrator provides help in the case of incorrect solutions. One of the advantages of this is that the test taker has the opportunity to adjust his or her strategy. In traditional tests where no feedback is allowed the test taker may assume incorrect answers are correct and continue using a faulty strategy. The disadvantage of giving feedback is the fact that receiving negative feedback can be demotivating. This drawback is partly compensated for through the adaptive nature of the test procedure.

Software for scoring and analysis is available. After the raw scores, the test date and the date of birth have been entered, the standard scores are calculated and a profile can be printed out.

Qualification level required:
Level 2. Please see our Test User Qualifications page for guidance

Reliability

The reliability of the IQ score has a mean of 0.95. It increases from 0.91 at six years to 0.95 at nine years and remains at 0.96 from the age of 11.

Norms

Continuously standardised representative Dutch-German sample of approx 2,000 participants. Normalised for age, gender and education.

Release Note

2014

Ref-ID:5513618   P-ID:U_SON-R6-40

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