Comprehensive Test of Nonverbal Intelligence Second Edition (CTONI-2)



Age 6-0 through 89-11,
Testing time: 1 hour,
administration : individual,
1. the overall look of the test has been updated and enhanced,
2.all new normative data were collected in 2007 and 2008,
3.floor effects has been eliminate,
4. study of item bais has been expanded,
5. new oral instruction of common non english language in the united state has been provided.
complete ctoni kit includes: examiner manual analogis picture book, categories picture book, sequence picture book,25 examiner record forms, all in study box (2009)
Donald D. Hammill, Niles pearson & J Lee weiderholt


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