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A3DW Assessment of spatial ability: Adaptive 3-Dimensional Block Test

G. Gittler
Neuro
Traffic
Sport
HR

Application

Measures the dimension of spatial ability – that is the ability to picture objects and if necessary rotate them in one's mind.
Forming a three-dimensional image of objects that are depicted in two dimensions and switching between different views is important is important for workers in many professions (e.g. architects, long-distance drivers, construction workers, air traffic controllers, pilots and surgeons). The test is presented adaptively: this provides optimum assessment of each person’s potential. Since it assesses work-related abilities, A3DW is used in manufacturing & safety assessments.

Administration

Each item involves a test cube and six comparison cubes. Each cube has different patterns on each of its six sides but only three are visible. Using the patterns that are visible, the respondent must decide whether one of the six comparison cubes is identical to the test cube.

Test forms

S1: Short form – provides a rough overview of ability
S2: Standard form
S3: Long form – greater reliability in connection with special queries

Scoring

The following main variable is scored:

Spatial perception

The subsidiary variable Mean item working time is a measure of the respondent’s working speed. It can be used to differentiate more clearly between applicants.

Scoring elements

Table
Profile
Working time
Confidence interval
Profile analysis
Test protocol
Item analysis protocol
Progress chart
Special diagrammatic representation of results
Personalized Word report

Test type

Special Intelligence Tests

Test information

adaptive
modular
language-free item material
parallel test form
conforms to the Rasch-model
additional device required
high level of test security
wide norm spectrum
test form available for online presentation - open mode
links to CogniPlus
supervisor-supported testing

Languages

Bulgarian
Czech
Dutch
English
Finnish
French
German
Hungarian
Italian
Polish
Portuguese
Russian
Serbian
Slovak
Spanish
Turkish

Duration

approx. 29-52 minutes, depending on test form

 

Age

Norms for ages 13+ (convenience sample).

Special features

Special norms of schoolchildren and students available.