Skip to main content
Intelligence and cognitive ability

Comprehensive Test of Nonverbal Intelligence - Second Edition.

CTONI-2

What it measures
general nonverbal intelligence; analogical reasoning; categorical classification; sequential reasoning; pictorial vs geometric reasoning
Length and format
6 subtests (Pictorial/Geometric x Analogies/Categories/Sequences). nonverbal multiple-choice items; pointing response, oral or pantomime instructions (performance/ability test)
Language versions
Language-reduced administration; used internationally
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Licence classification is a research judgement by the catalogue’s authors, not legal advice, and it can be out of date.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
Hammill, D. P., Pearson, N. A., & Wiederholt, J. L. (2009). Comprehensive Test of Nonverbal Intelligence - Second Edition (CTONI-2). Austin, TX: PRO-ED.

Choosing between this and the alternatives

We do not deliver this instrument. If you are selecting a measure for a research programme, a national survey or an assessment product, and the question is which instrument, in which language, against which norms and under which licence, that is the work we do.

Talk to us about instrument selection