- Exam Overview: What the Case Study Examination Actually Tests
- Content Area 1: Applied Case Information & Calculations
- Content Area 2: General Appraisal Knowledge
- How Content Areas Map to Designation Requirements
- Alternative Knowledge-Demonstration Paths
- Registration, Proctoring & Retake Mechanics
- Building a Study Plan Around Both Content Areas
- Recertification: Keeping the Designation Current
- FAQ
- The AAS Case Study Examination has 100 multiple-choice questions and an eight-hour maximum, graded pass/fail at 70%.
- Roughly half the exam applies supplied case information and calculations; the rest covers general appraisal knowledge.
- Candidates may substitute a research project or a jurisdiction evaluation for the case-study exam.
- Retakes require a 30-day wait after a first failure and 180 days after a second, with a three-attempt cap.
Exam Overview: What the Case Study Examination Actually Tests
When people search for "AAS exam domains," they're usually looking for a breakdown of content the way a typical multiple-choice certification exam is organized - a set of named knowledge areas with percentage weightings. The Assessment Administration Specialist (AAS) designation from the International Association of Assessing Officers (IAAO) doesn't publish domains in that format. Instead, the Assessment Administration Case Study Examination is built around two broad content areas that together determine everything you'll face on test day.
The exam consists of 100 multiple-choice questions with an eight-hour maximum sitting. Passing requires a score of 70%, and IAAO reports results as pass/fail only - you won't receive a numeric score breakdown by topic. Approximately half of the questions require you to apply supplied case information and perform calculations, and the remainder tests general appraisal knowledge that isn't tied to the specific case packet.
Content Area 1: Applied Case Information & Calculations
This portion of the exam presents you with a case packet - supplied data about a hypothetical or representative jurisdiction - and asks you to work through it the way you would on the job. Expect questions that require you to read tables, apply formulas, and draw conclusions from the numbers rather than recall isolated facts.
Applied Case Information & Calculations
Candidates must demonstrate they can take raw assessment-administration data and turn it into defensible conclusions under time pressure.
- Reading and interpreting supplied case-study data sets accurately
- Performing calculations tied to the case scenario without a calculator error cascading into multiple wrong answers
- Applying assessment-administration principles to a specific, constrained data set rather than general theory
- Managing time across roughly 50 case-linked questions within the eight-hour window
Because this content area is scenario-based, generic multiple-choice test-taking tricks matter less than genuinely understanding how a case unfolds. If you've never worked through a full case packet under timed conditions, the AAS exam difficulty guide explains why this section trips up candidates who prepared only from course notes.
Content Area 2: General Appraisal Knowledge
The second content area is not tied to the supplied case packet. These questions draw on the broader body of assessment-administration and appraisal knowledge you're expected to have built through your required coursework: IAAO Courses 101, 102, 400, and 402, a 300-series course, applicable appraisal-standards education, and Workshop 171 ethics content.
General Appraisal Knowledge
This half of the exam checks whether foundational appraisal and administration concepts are internalized well enough to answer stand-alone questions, independent of any single case.
- Core appraisal fundamentals covered in introductory coursework
- Assessment-administration concepts spanning mass appraisal and jurisdictional practice
- Applicable appraisal-standards material - USPAP for U.S. candidates, or the relevant local standard for candidates outside the U.S.
- Ethics principles from the Workshop 171 curriculum
Key Takeaway
Study your 101, 102, 400, 402, and 300-series course materials as the real syllabus. The exam's "general appraisal" questions are drawn from that foundation, not from a separately published domain list.
Where Ethics and Standards Fit In
U.S. candidates must complete IAAO 151 or a Foundation-approved two-day USPAP course; candidates outside the U.S. must pass a course covering their applicable appraisal standards, defaulting to USPAP where no local standard exists. Because this standards education is a prerequisite to sitting the exam - not a separate exam section - treat it as baseline knowledge you carry into both content areas, not a topic you cram the week before.
How Content Areas Map to Designation Requirements
The exam's two content areas exist because the AAS designation itself is built on a layered set of requirements. Understanding that structure clarifies why the exam is organized the way it is.
| Requirement | Purpose |
|---|---|
| High-school diploma or equivalent + 3 years assessment-field experience | Baseline eligibility to enroll in the designation pathway |
| IAAO Courses 101, 102, 400, 402 | Core knowledge tested in the general appraisal content area |
| 300-series course | Specialized administration knowledge reinforcing case-study reasoning |
| Appraisal-standards education (USPAP/151 or local equivalent) | Standards competency embedded throughout the exam |
| Workshop 171 ethics education | Ethics questions within general appraisal content |
| Case Study Examination (or project alternative) | Demonstrates applied competency across both content areas |
| AAS Master Examination | Final four-hour exam after all other requirements are complete |
Full eligibility detail, including credit-hour specifics for each course, is covered in the AAS Requirements guide. If you're still mapping out costs associated with each stage, the AAS Certification Cost breakdown is a useful companion resource.
Alternative Knowledge-Demonstration Paths
The Case Study Examination is one of three ways IAAO allows candidates to demonstrate knowledge for the AAS designation. The other two options are an assessment-administration research project or an evaluation of a jurisdiction's assessment practices. Whichever route you choose, you must be enrolled and in good standing before taking the case-study examination or submitting a project.
Whichever path leads to your designation, the four-hour AAS Master Examination is a separate, later requirement - it's only taken after every other designation requirement, including your chosen knowledge-demonstration option, has been satisfied. Note that the case-study attempt limit described below does not apply to the Master Examination.
Registration, Proctoring & Retake Mechanics
Because the case-study exam is administered under IAAO's proctoring rules, logistics matter as much as content knowledge. Approved proctoring is required for the exam; CAE and AAS designees serve as standard approved proctors, while other arrangements or remote proctoring require separate authorization. Build proctor scheduling into your plan early rather than scrambling once you're ready to test - the AAS Exam Dates guide walks through testing-window logistics in more depth.
Retake Rules to Plan Around
If you don't pass on your first attempt, timing constraints affect how quickly you can try again.
- 30-day mandatory wait after a first failed attempt
- 180-day mandatory wait after a second failed attempt
- Maximum of three total attempts at the case-study exam
- After three failed attempts, candidates must complete another accepted project instead
These rules make first-attempt preparation especially valuable - not just to save time, but to avoid the 180-day gap that follows a second miss. The AAS Pass Rate discussion looks at what the available data suggests about attempt outcomes, and the AAS Study Guide lays out a first-attempt preparation strategy in more detail.
Building a Study Plan Around Both Content Areas
Because the exam splits roughly evenly between applied case work and general appraisal knowledge, your prep calendar should reflect that split rather than treating the exam as one undifferentiated block of material.
General Appraisal Foundations
- Review IAAO 101 and 102 course material end to end
- Revisit applicable appraisal-standards content (USPAP or local equivalent)
Administration & Ethics
- Work through IAAO 400, 402, and your 300-series course notes
- Refresh Workshop 171 ethics principles
Case-Study Application
- Practice full case packets under an eight-hour time constraint
- Drill calculation accuracy so early errors don't cascade through a scenario
Consolidation
- Consider Workshop 852 AAS Case Study Review for its optional practice examination
- Run a full-length practice session on the AAS practice test platform
Note that Workshop 852 is optional and supplements - but does not replace - your core courses; it isn't meant to define the complete exam syllabus on its own. For a compressed reference you can revisit right before test day, see the AAS Cheat Sheet.
Recertification: Keeping the Designation Current
Earning the AAS designation isn't the end of the content-area conversation - recertification keeps you accountable to the same knowledge base. IAAO requires 70 credit hours over five years to maintain the designation. U.S. designees need at least 14 hours of qualifying appraisal-standards education spread across two different approved releases, and all designees need at least two hours of qualifying IAAO ethics education within that cycle.
If you're weighing whether the ongoing time investment is worthwhile relative to career impact, the AAS ROI analysis and AAS Salary Guide both address that question directly. And if you're earlier in the process and still confirming basic terminology, start with What Is AAS? or AAS Meaning before diving into exam-day mechanics.
FAQ
The exam isn't broken into a published list of named domains. Instead, it splits roughly in half between applying supplied case information and calculations, and general appraisal knowledge drawn from required coursework.
No. The Master Examination is a separate four-hour exam taken only after all other designation requirements, including the case-study exam or its project alternative, are complete.
Yes. IAAO allows a research project or a jurisdiction assessment-practices evaluation as alternative knowledge-demonstration options instead of the case-study exam.
You must wait 180 days before your third attempt. If that attempt also fails, you must complete another accepted project rather than continue retaking the exam, since the limit is three attempts.
No. Workshop 852 AAS Case Study Review is optional and includes a practice examination, but it supplements the core required courses rather than defining the complete content of the exam.