Exam Basics
IDFX (Fundamentals) Exam – The IDFX focuses on programming and conceptual design, and schematic design phases of interior design. The IDFX is a computerized 3-hour exam; 115 questions, (15 pre-test questions). The questions are multiple choice, drag and place, fill in the blank and hot spot.
IDPX (Professional) Exam – The IDPX focuses on the construction administration and project management phases of interior design. The IDPX is a computerized 3-hour exam; 115 questions, (15 pre-test questions). The questions are multiple choice, drag and place, fill in the blank and hot spot.
IDIX (Implementation) Exam – The IDIX focuses on the design development and construction documentation phases of interior design. The IDIX is a 4-hour computerized exam; 130 questions, (15 pre-test questions). The questions are multiple choice, drag and place, fill in the blank and hot spot.
Content Breakdowns
IDFX 115 Questions
Existing conditions – 14%
Pre-Design – 15%
Programming – 16%
Space Planning – 19%
Preliminary FF&E and Finishes – 16%
Schematics – 20%
IDPX 115 Questions
Feasibility Studies – 17%
Scheduling and Budgeting – 17%
Contracts, Procurement, and Permitting – 28%
Construction Process – 21%
Site Observation and Close-Out – 17%
IDIX 130 Questions
Codes and Life Safety – 16% Integration and FF&E – 19%
Construction Documents – 32% Consultant Drawing Coordination – 18%
Construction Specifications and Schedules – 15%