Leiter International Performance Scale - Third Edition.

Leiter-3

What it measures

nonverbal IQ; fluid reasoning; nonverbal memory; attention; processing speed

Length and format

10 subtests (Cognitive scales + Attention/Memory scales). fully nonverbal manipulative/pointing tasks; pantomimed instructions, no spoken language required (performance/ability test)

Language versions

Language-free administration; used worldwide; widely applied with deaf, ASD, ESL, and communication-impaired populations

Normative data

No normative data held in our reference library for this instrument. That is a statement about our library, not about the published literature.

Licence

copyrighted - commercial

This instrument is not self-serve. Obtaining it means going to the publisher or the author. We hold no direct link for it; the reference below is the citation to search from.

Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date. Confirm terms with the copyright holder or publisher before using an instrument, especially for commercial use.

Reference

Roid, G. H., Miller, L. J., Pomplun, M., & Koch, C. (2013). Leiter International Performance Scale - Third Edition (Leiter-3). Wood Dale, IL: Stoelting.