Test Of Nonverbal Intelligence Case Study

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Brown, L., Sherbenou, R. J., & Johnsen, S. K. (2010). Test of Nonverbal Intelligence, Fourth Edition (TONI-4). PRO-ED, Inc. TX: Austin
The Test of Nonverbal Intelligence, Fourth Edition (TONI-4) is a measure whose purpose is to assess intelligence, apititude, abstract reasoning, and problem solving in a language-free format, categorized as intelligence and general apptitude (Evans-McCleon & Maddux, 2010). The TONI was developed by Linda Brown, Rita J. Sherbenou, and Susan K. Johnsen, with the goal of meeting the necessitiy for a measure of intelligence not requiring langauge and complex motor skills (Evans-McCleon & Maddux, 2010). The TONI-4 is a revision including new norms, addition of 15 items to enhance the floor and ceiling effects (Evans-McCleon …show more content…

The items are abstract/figural, each containing one or more of the eight salient characteristics which are position, shape, direction, rotation, shading, size, contiguity, and movement (Evans-McCleon & Maddux, 2010). Age based standard scores (M = 100, SD = 15), percentile ranks, and stanines are collected from the test and converted into a total score (Evans-McCleon & Maddux, 2010). The normative data of the TONI-4 consisted of 2,272 individuals of the U.S. Population, stratified across multiple demographic variables, ranging in age from 6 to 89 (Evans-McCleon & Maddux, 2010). The test is administered individually, with the possibility of using two formats, oral directions or nonverbal directions (Evans-McCleon & Maddux, 2010). Moreover, the TONI-4 requires minimal physical response from the examinee (Evans-McCleon & Maddux, 2010). The age range is 6:0 to 89:11 (Evans-McCleon & Maddux, 2010). It is scored manually, with clear instruction and examples given in the examiners manual, including visual graphics for reference (Evans-McCleon & Maddux, 2010). The purchase qualification level for the TONI-4 is B, requiring a master’s degree in psychology, education, social work, occupational therapy, or a field closely related (Evans-McCleon & Maddux,

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