2018 Exam Dates
To be eligible to take the CPDT examination, a candidate must have:
Approved experience may include:
Individuals that have passed the CPDT examination and achieved CPDT designation are required to maintain the designation through a biennial recertification program.
The Certified Plumbing Design Technician Examination consists of 100 multiple-choice questions. The CPDT examination score is based on the number of correct answers. There are no penalties assessed for wrong answers. Therefore, it is advantageous to answer every question, even if it is a guess. If there is time left when you have finished the test, you can go back and review the questions that you were unsure of.
ASPE invests in the long-term reliability of the CPDT examination by pretesting examination questions. Most of the questions answered by candidates are used to determine the candidate’s score on the test. Some of the questions are evaluated for future use as scored questions, and are not included in candidates’ scores. Pretesting questions is a common practice for professional assessments that increases validity.
The questions in the CPDT examination are linked to ten broad job domains or job categories of a plumbing design technician. These job domains include:
The test specifications for the examination were developed by subject matter experts with the help of an independent testing and certification consultant, using information derived from a job analysis. The test specifications and content reflect the knowledge and skills essential to performing at the technician level of a plumbing designer.
Each examination question deals with a critical and important task performed by a plumbing design technician.
To establish that the developed task statements were truly representative of the job content of a plumbing design technician, tasks and knowledge were validated utilizing a web-based questionnaire. This evaluation and analysis procedure established ten broad job domains or job categories and 54 job tasks that a plumbing design technician should be proficient in. Every question in the CPDT examination is linked to a task statement and demonstrably related to the job of a plumbing design technician.
A criterion-referenced passing score for the examination was established by content experts. To insure the independence of the CPDT examination, ASPE contracts with a third party testing company to create the test forms and to conduct, oversee and grade the examination.
Want to know what to study?
ASPE recommends the following materials:
ASPE Members taking the exam in the USA or Canada: $200
Approximate cancellation fees for candidates in the USA or Canada are as follows:
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|If you have any questions about the CPDT program or any related issues please email firstname.lastname@example.org.
The CPDT Exam is only held once per year.