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Monteiro Interview Guidelines for Diagnosing the Autism Spectrum, 2nd Edition (MIGDAS-2)
Starting at $65.00
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Color Trails Test (CTT)
Author(s) : Louis F. D'Elia, Paul Satz, Craig Lyons Uchiyama and Travis White
Publisher : PAR, 1994
SKU : PG_CTT
In stock
SKU
PG_CTT
In stock
Qualification required
Purpose: Measure sustained attention and sequencing
Age: 19-89 years
Time: Approximately 3-8 minutes (timed)
The Color Trails Test (CTT) was developed to be free from the influence of language and cultural bias. The CTT retains the psychometric properties of the standard Trail Making Test (TMT), but it substitutes the use of colour for the use of English alphabet letters, making it more suitable in cross-cultural and other special needs contexts.
Numbered circles are printed with vivid pink or yellow backgrounds that are perceptible to colour-blind individuals. For Part 1, the respondent uses a pencil to rapidly connect circles numbered 1-25 in sequence. For Part 2, the respondent rapidly connects numbered circles in sequence, but alternates between pink and yellow.
The length of time to complete each trial is recorded, along with qualitative features of performance indicative of brain dysfunction, such as near-misses, prompts, number sequence errors, and colour sequence errors.
Please Note: A Stopwatch is required for administration.
The following qualifications are required to access this product. Please
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Please contact ACER Customer Service on +61 3 9007 2048 if you have any queries.
Psychologist (P)
- A registered psychologist with AHPRA registration number
- Please Note: If purchasing ADOS-2 materials, it is recommended that registered psychologists complete ADOS-2 Training.
Provisional Psychologist (PS)
A provisional psychologist with:
- Supervisor’s APHRA registration number
- Letter outlining supervisory arrangements
- APHRA registration number
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