Comprehensive Test of Nonverbal Intelligence | Second Edition


Comprehensive Test of Nonverbal Intelligence | Second Edition (CTONI-2) is a norm-referenced test using nonverbal formats. Measure general intelligence of children and adults who might be adversely affected by subtle or overt impairments involving language or motor abilities. 

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  • CTONI-2 Kit (Print)
    0158174585 Qualification Level B

    Includes Examiner’s Manual (Print), Analogies Picture Book (Print), Categories Picture Book (Print), Sequences Picture Book (Print), 25 Examiner Record Forms (Print), and storage box


  • CTONI-2 Record Forms Qty 25 (Print)
    0158174593 Qualification Level B



Publication date:
Age range:
6:0 to 89:11
Standard scores, percentile ranks, age equivalents
Qualification level:
Completion time:
1 hour

Product Details

The CTONI-2 uses six subtests — Pictorial Analogies, Geometric Analogies, Pictorial Categories, Geometric Categories, Pictorial Sequences, and Geometric Sequences — in two different contexts: pictures of familiar objects (e.g., people, toys, animals) and geometric designs (unfamiliar sketches and drawings).


  • Measures analogical reasoning, categorical classification, and sequential reasoning.
  • Eliminates floor effects.
  • Expands study of item bias.
  • Provides new oral instructions for common non-English languages in the United States.
  • Uses all new normative data collected in 2007 and 2008.


The complete CTONI-2 Kit includes:

  • Examiner’s Manual
  • Analogies picture book
  • Categories picture book
  • Sequences picture book
  • 25 Examiner Record Forms
  • Sturdy storage box