Test of Nonverbal Intelligence, Fourth Edition (TONI-4) is a specialized psychological assessment designed to measure abstract reasoning and problem-solving abilities without the influence of language or cultural background. Developed by Brown, Sherbenou, and Johnsen, this 60-item multiple-choice test is widely used in clinical and educational settings to evaluate individuals who may have communication disorders, hearing impairments, or limited proficiency in a specific language. Core Principles and Design
The test uses a “matrix” style: the examinee sees an incomplete pattern of figures and must choose the missing piece from 4–6 options. Items progress in difficulty from simple matching to complex analogies, inversions, and spatial reasoning. toni4 test pdf
If you are labeling a file or a report, use one of these clear formats: Test of Nonverbal Intelligence, Fourth Edition (TONI-4) is
: General intelligence (fluid intelligence), aptitude, and problem-solving. Test Structure and Salient Characteristics Publisher's Website : The test is published by
The official source for the TONI-4 is They sell: