The CTONI-2 is particularly appropriate for use with people who are bilingual, non-English speaking, socially or economically disadvantaged, deaf, language disordered, or physically limited. The test requires no oral responses, no reading or writing, and no object manipulation. All the examinee has to do is point to his or her selected response.
Comprehensive Test of Nonverbal Intelligence (CTONI)
by Don Hammill, Nils Pearson, and J. Lee Wiederholt
- Pearson Assessments.
- The CTONI 2 uses nonverbal formats to measure general intelligence of children and adults whose performance on traditional tests might be adversely affected by subtle or overt impairments involving language or motor abilities.
Ages: 6-0 through 90-11
Testing Time: 1 hour
Administration: Individual
Ctoni Administration
The Comprehensive Test of Nonverbal Intelligence (CTONI) is PRO-ED’s new,
unbiased test that measures nonverbal reasoning abilities of individuals for whom most other
mental ability tests are either inappropriate or biased. The CTONI measures analogical
reasoning, categorical classifications, and sequential reasoning in two different contexts:
pictures of familiar objects (e.g., people, toys, and animals) and geometric designs (e.g.,
unfamiliar sketches and drawings). Results of the CTONI are most useful for estimating the
intelligence of individuals who experience undue difficulty in language or fine motor skills,
including individuals who are bilingual, who speak a language other than English, or who are
socioeconomically disadvantaged, deaf, language disordered, motor disabled, or
neurologically impaired. No oral responses, reading, writing, or object manipulation are
required to take the test.
The CTONI contains the following subtests: Pictorial Analogies, Geometric Analogies,
Pictorial Categories, Geometric Categories, Pictorial Sequences, and Geometric
Sequences. The subtests of the CTONI require students to look at a group of pictures or
designs and to solve problems involving analogies, categorizations, and sequences.
Individuals indicate their answer by pointing to alternative choices.
The CTONI yields raw scores, standard scores, percentiles, and age equivalents. The test
also has three composite scores: Nonverbal Intelligence Quotient, Pictorial Nonver-bal
Intelligence Quoitient, and Geometric Nonverbal Intelligence Quotient.
The CTONI was standardized on more than 2,500 individuals from 25 U.S. states,
Canada, and Panama. Characteris-tics of the normative sample have been stratified and
approximate those provided in the 1997 Statistical Abstract of the United States with
regard to gender, geographic region, ethnicity, race, urban/rural residence, and disability.
The reliability of the CTONI has been studied extensively, and evidence relating to content
sampling, time sampling, and interscorer reliability is provided. The reliability coefficients are
all .80 or greater, indicating a high level of test reliability. Evidence of content,
criterion-related, and construct validity also is reported. The CTONI has gone further than
any other test of intelligence to detect and eliminate sources of cultural, gender, racial, and
linguistic bias. The CTONI normative sample is representative relative to gender, race,
social class, language spoken in the home, and disability. Convincing evidence is presented
in the manual to show that the CTONI items contain little or no bias for the groups studied.
Ctoni-2 Scoring Manual
Complete CTONI Kit includes Examiner’s Manual, Analogies Picture Book,
Categories Picture Book, Sequences Picture Book, and 25 Profile/Examiner
Record Forms, all in a sturdy storage box. (1996)
CTONI Complete Kit
Price: $289.00
Comprehensively measure nonverbal reasoning abilities
Administration Format:
Paper-and-pencil
Scoring Options:
Hand-scoring
Scores / Interpretation:
Standard scores
percentiles
age equivalents
B
The Comprehensive Test of Nonverbal Intelligence—Second Edition (CTONI–2) is a popular norm-referenced test that uses nonverbal formats to measure general intelligence of children and adults whose performance on traditional tests might be adversely affected by subtle or overt impairments involving language or motor abilities. It measures analogical reasoning, categorical classification, and sequential reasoning, using six subtests in two different contexts: Pictures of familiar objects (e.g., people, toys, animals) and geometric designs (unfamiliar sketches and drawings).
The six subtests are:
- Pictorial Analogies
- Geometric Analogies
- Pictorial Categories
- Geometric Categories
- Pictorial Sequences
- and Geometric Sequences
Features
- The overall look of the test has been updated and enhanced in the new edition.
- All new normative data were collected in 2007and 2008.
- Floor effects have been eliminated.
- The study of item bias has been expanded.
- New oral instructions for common non-English languages have been provided.
Ctoni 2 Manual Pdf
COMPLETE KITS
CTONI–2 Complete Kit
13015DR
$741.00
Examiner's Manual, Analogies Picture Book, Categories Picture Book, Sequences Picture Book, and 25 Examiner Record Forms in a sturdy storage box.
ACCESSORIES
CTONI–2 Examiner Record Form
13020DR
$90.00
Pkg of 25
CTONI–2 Sequences Picture Book
13019DR
$163.00
CTONI–2 Categories Picture Book
13018DR
$147.00
CTONI–2 Analogies Picture Book
13017DR
$163.00
CTONI–2 Examiner Manual
13016DR
$170.75
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Ctoni 2 Norms
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