News:

The Laboratory has finished the work on the Polish adaptation of the Leiter International Executive Scale 3^rd Edition. The last stage was the publication of the following manuals:

• original manual
• Polish standardized manual
• table of (Polish standardized) norms

The Leiter-3 is a tool designed to measure nonverbal intelligence, nonverbal memory and attention in children and adolescents aged 3-20. It is the only test which is entirely nonverbal – the examination is conducted without words  which makes the test applicable for children who have difficulties with verbal communication or cannot be communicated with verbally.

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