Primary Test of Nonverbal Intelligence (PTONI) Examiners Manual
The Primary Test of Nonverbal Intelligence (PTONI) is a research-based assessment of reasoning abilities in young children. Use this test to identify severe intellectual deficits and superior cognitive intelligence. The test format requires a child to look at a series of pictures on each page in the Picture Book and point to the one picture that does not belong with the others. Items are arranged in order of difficulty. Early items measure lower order reasoning. Later items measure higher order reasoning abilities.
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