TTT-1 and TTT-2 Practical Exam
A Practical Examination is a performance-based assessment required to obtain certification. In addition to the computer-based written assessments (CBT), a fair and objective practical examination must be administered to ensure that the candidate can apply the essential knowledge and skills needed to safely perform the job activities in the field. NWSA Accredited Practical Examiners observe and record the performance of the candidate during the practical examination and report candidate performance to NWSA Testing Services for evaluation.
Visit NWSA for information about testing.


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NWSA Accredited Practical Examiners are NWSA-certified personnel who have been trained and authorized by NWSA to administer the practical examinations for the TTT-1 and TTT-2 certification programs. NWSA Practical Examiners are recognized as professionals in their field and may offer their services for hire.