Developed to be free from the influence of language and cultural bias, the CTT assesses sustained attention in adults.
Note. Stopwatch is required for administration. Form A is the standard test form on which normative data were collected and that should be used for clinical evaluation. Forms B, C, and D should be used for research.
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From its modest beginnings in Bob and Cathy Smith's home years ago, PAR has grown into a leading publisher of psychological assessment materials designed to help our customers better serve their clients.