The Matrix Analogies Test - Expanded Form has been superseded by the new Naglieri Nonverbal Ability Test® - Individual Administration. However components are still available for the MAT - Expanded Form.

The MAT-Expanded Form is especially appropriate for assessing the abilities of children with learning disabilities, mental retardation, hearing or language impairment, physical disabilities, ability to speak in more than one language, and ability to perform at the gifted level. The colours (blue, yellow, black and white) used in the stimulus materials reduce the influence of impaired colour vision.

The matrix design of the stimulus items requires minimal verbal comprehension and no verbal response.

Items are organised into four item groups, determined through item factor analysis:

• Pattern Completion 
• Reasoning by Analogy 
• Serial Reasoning 
• Spatial Visualisation. 

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