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Primary Test of Nonverbal Intelligence

David J. Ehrler and Ronnie L. McGhee

Assesses reasoning abilities in young children
Paper and pencil
Age range:
3 years to 9 years, 11 months
5-15 minutes
Qualification level:
A degree from an accredited 4-year college or university in psychology, counseling, speech-language pathology, or a closely related field plus satisfactory completion of coursework in test interpretation, psychometrics and measurement theory, educational statistics, or a closely related area; or license or certification from an agency that requires appropriate training and experience in the ethical and competent use of psychological tests. Close

Theoretically sound and research-based, the PTONI assesses reasoning abilities in young children.

Ideal for diverse populations

  • Featuring minimal oral directions and a pointing-response format, the PTONI is especially appropriate for testing children who have underdeveloped verbal and/or motor skills.
  • PTONI directions are provided in eight alternative languages, making it an appropriate assessment of intelligence for children from diverse language backgrounds.
  • Can be used to identify both severe intellectual deficits and superior cognitive intelligence; to help estimate future school success based on family history, educational background, and personality traits; and to study a wide range of researchable topics and issues.
  • Test format requires a child to look at a series of pictures and to point to the one picture that does not belong with the others. Items are arranged in order of difficulty.
  • Provides standard scores, percentile ranks, and age equivalents.
  • Normative data (N = 1,010) from 38 states are representative of U.S. Census statistics.