The National Council for Interior Design Qualification (NCIDQ) Examination is taken for licensure purposes in certain areas. This assessment is also used for qualification into specific organizations, and it is a sign of achievement in interior design. To be eligible, a candidate must have both a college degree, and work experience. The exact work experience requirements vary from two years to four years, depending on if the degree is an associate’s, or bachelor’s, and if it is in interior design or not. Transcript documentation of a candidate’s education will be required. Work experience applied to the eligibility requirements has to be either part- or full-time interior design work. Teaching is not accepted as experience. A candidate’s work experience should begin after his or her education is finished or nearly finished.
The Interior Design Fundamentals Exam (IDFX) section of the NCIDQ includes 100 multiple-choice items which cover the following content:
- Programming, sustainability, and site analysis (20 questions)
- Application of design theory and the relationship between human behavior and the designed environment (17 questions)
- Integration of building systems and construction (10 questions)
- Sourcing and research as it relates to manufacturers’ and vendors’ information regarding furniture, fixtures and equipment (10 questions)
- Development and use of construction drawings, schedules and specifications (10 questions)
- Measuring, drafting and technical drawing conventions (12 questions)
- Visual, written and verbal design communication methods and techniques (21 questions)
The Interior Design Professional Exam section of the NCIDQ includes 150 multiple-choice items which cover the following content:
- Analyzing and synthesizing programmatic information (10 questions)
- Application of code requirements, laws, standards, regulations, accessibility and suustainability (20 questions)
- Integration with building systems and construction (13 questions)
- Selection, specification, use and care of furniture, fixtures, equipment, interior finishes, materials and lighting (22 questions)
- Development and use of construction drawings, schedules and specifications (15 questions)
- Interior design documentation and contract administration (23 questions)
- Project coordination and the roles of related design professionals (20 questions)
- Application of professional ethics and business practices (27 questions)
The Interior Design Practicum (PRAC) section of the NCIDQ is a day-long, hands-on exam. There are seven exercises in which the examinee will demonstrate her design skills:
- Space Planning (23% of score)
- Lighting Design (11% of score)
- Egress (18% of score)
- Life Safety (18% of score)
- Restroom (9% of score)
- Systems Integration (12% of score)
- Millwork (9% of score)
The first two sections of the test are scored by computer. Scores will range from 200-800, and candidates must receive a minimum of 500 to pass. The practicum is graded by a panel of interior design professionals who are given extensive training on grading standards and requirements.
NCIDQ Practice Test Questions
1. Which flooring test provides the best measure of slip resistance?
A. ASTM D2047
B. ASTM F1677
C. ASTM C1028
D. ASTM F1679
2. When goods are shipped FOB destination, who has title to them while they are in transit?
A. the buyer
B. the seller
C. the carrier
D. none of the above
3. In design drawings, which scale is appropriate for drawings that have been resized in abnormal increments?
A. metric scale
B. engineer’s scale
C. architect’s scale
D. graphic scale
4. What is the measure of how well ceilings absorb sound coming over a partition?
A. articulation index
B. ceiling attenuation class
C. articulation class
5. Which method of information gathering entails using photographs from different angles to create a three-dimensional model?
B. rectified photography
C. convergent photogrammetry
1. A: The STM D2047 flooring test provides the best measure of slip resistance. This test, which is also known as the standard test method for static coefficient of friction of polished coated floor surfaces as measured by the James machine, may be used only on smooth and dry surfaces. ASTM F1677, also known as the standard test method for using a portable inclinable articulated strut strip tester, may be performed on any floor surface, and is particularly good at assessing the effects of grease or oil on slip resistance. ASTM C1028, also known as the standard test method for determining the static coefficient of friction of ceramic tile and other like services by the horizontal dynamometer pull-meter method, is considerably less accurate than the James machine, but may be performed on wet or rough surfaces as well. The results of ASTM C1028 may be compared only when similar types of flooring are involved. ASTM F1679, also known as the standard test method for using a variable incidence tribometer, is particularly good at measuring slip on greasy or oily surfaces, but it can be used in any environment.
2. B: When goods are shipped FOB destination, the seller has title to them while they are in transit. FOB (that is, free on board) destination indicates that title is transferred from the seller to the buyer when the merchandise arrives at its final destination. FOB shipping point, on the other hand, indicates that title transfers when the goods leave the manufacturer.
3. D: In design drawings, the graphic scale is appropriate for drawings that have been resized in abnormal increments. The graphic scale is also used in cases where the drawings are likely to be perused by people without access to scaling instruments. The metric scale is used when the design and drawing incorporate European-style measurements. The engineer’s scale indicates feet and fractions of a foot. The architect’s scale equates fractions of an inch to feet and inches.
4. C: The measure of how well ceilings absorb sound coming over a partition is articulation class. Typically, designers will calculate speech privacy in open offices by considering articulation class and articulation index, the latter of which is the total sound efficacy of the space when it is furnished. Ceiling attenuation class is the measure of sound transmission loss through ceiling tiles between two closed rooms when there is now a barrier above the suspended ceiling. Insulation is any material that is used to fill the partition or the ceiling, and which therefore increases sound absorption.
5. C: Convergent photogrammetry entails using photographs from different angles to create a three-dimensional model. This process takes a long time but is relatively inexpensive. Stereophotogrammetry entails superimposing one photograph of a building over another, creating an image that can easily be converted into a 3-D depiction. This process requires special software and equipment. Rectified photography is a technique for producing scalable images of building façades. Orthophotography is a technique for aggregating digital photographs into a single, three-dimensional image, using sophisticated computer programs.