The best way to study for the Casper test is to practice structuring thoughtful responses under tight time pressure, not to memorize “correct” answers. Casper measures situational judgment, empathy, and ethical reasoning, and there are no right or wrong answers in the traditional sense. Your goal is to show how you think through real-world dilemmas, not what you know. The test provider offers a free full-length practice test, and research from Acuity Insights suggests that applicants who use only the official free resources actually outperform both those who use paid third-party prep courses and those who skip preparation entirely.
What the Test Looks Like
Casper presents 11 scenarios, each followed by two questions. Seven scenarios are typed-response, where you watch or read a prompt and type your answers. Four scenarios are video-response, where you record yourself speaking on camera. The full test runs 65 to 85 minutes.
For typed-response scenarios, you get 3.5 minutes to answer both questions. That is not much time, so being concise matters more than being thorough. For video responses, you’ll record short spoken answers on your webcam. Every scenario presents an ethical or interpersonal dilemma you might encounter in everyday life. None are specific to medicine, dentistry, or whatever program you’re applying to.
How Scoring Works
Each response is evaluated by human raters, not an algorithm. Raters assess the quality of your reasoning, your ability to consider multiple perspectives, and how you handle ambiguity. There is no answer key.
About a month after your test, you receive a quartile score that tells you how you performed relative to everyone else who took it. The quartiles divide all test-takers into four equal groups: first quartile means you scored in the bottom 25%, while fourth quartile means you scored in the top 25%. This is a relative ranking, not a percentage of questions answered correctly. Programs receiving your score see the same quartile placement and use it alongside the rest of your application.
Use the Official Practice Test
Acuity Insights provides a free full-length practice test inside your account at my.acuityinsights.app/casper. It includes all 11 scenarios and mirrors the exact format and timing of the real test. Take it more than once. The first run helps you understand the format. The second and third runs help you get comfortable managing your time, speaking on camera, and typing under pressure.
The test provider’s own data shows that applicants who rely on the free official resources score better on average than those who pay for third-party prep courses. Acuity Insights does not endorse any paid preparation service. The reason is straightforward: Casper is designed to measure authentic responses, and over-rehearsed or formulaic answers tend to score lower, not higher.
Structure Your Typed Responses
With only 3.5 minutes per scenario, you need a repeatable mental framework so you don’t freeze or ramble. Two approaches work well depending on the type of question you’re facing.
For Situational Questions
Most Casper scenarios drop you into a messy situation and ask what you would do. A useful structure follows four steps. First, identify the core problem. Scenarios often contain multiple issues layered together, so start by naming the one that matters most. Second, acknowledge what you don’t know. Before jumping to a decision, note the missing information and describe how you’d get it, whether that means having a private conversation, asking clarifying questions, or consulting someone with more context.
Third, recognize all the perspectives involved. Who is directly affected? Who might be indirectly affected? A strong answer shows you can see the situation through more than one person’s eyes. Fourth, propose a course of action using conditional logic. “If I learn X, I would do Y. If instead it turns out Z is true, I would adjust by doing W.” This if/then approach shows the raters you’re not defaulting to a single rigid answer but thinking through how different facts would change your response.
For Personal Questions
Some scenarios ask about your own experiences: a time you faced a conflict, showed leadership, or made a mistake. Start with a brief, specific anecdote. Vague generalities waste your limited time and don’t demonstrate anything. Then reflect on what you learned, what skills you used (communication, empathy, adaptability), or what you did differently afterward. Finally, connect the experience to the kind of professional you want to become. This connection doesn’t need to be elaborate. One sentence tying your lesson to a real-world professional skill is enough.
Practice the Video Responses
Many test-takers underestimate how different it feels to speak your answer on camera versus typing it. You can’t go back and edit, and the recording captures your body language, eye contact, and tone. Practice by recording yourself answering ethical dilemmas out loud. Use your phone or laptop webcam. Watch the playback and notice whether you make eye contact with the camera, whether your answers have a clear structure, and whether you trail off or repeat yourself when you’re unsure.
You don’t need to sound polished. Raters are evaluating your reasoning and empathy, not your presentation skills. But being comfortable on camera means you’ll spend less mental energy on the format and more on actually thinking through the scenario.
Develop Your Ethical Reasoning
You don’t need a philosophy textbook, but you do need to practice thinking about ethical tensions. The scenarios often pit two reasonable values against each other: honesty versus loyalty, individual rights versus group welfare, following rules versus showing compassion. Before test day, spend time thinking through everyday dilemmas. What would you do if a close friend asked you to cover for them at work? What if you saw a colleague cut corners in a way that probably wouldn’t hurt anyone but violated policy?
The goal isn’t to land on the “right” answer. It’s to show that you can hold two conflicting ideas at the same time, weigh them against each other, and explain your reasoning. Answers that acknowledge complexity and trade-offs consistently score better than answers that rush to a black-and-white conclusion.
Manage Your Time During the Test
At 3.5 minutes per typed scenario, you cannot afford to spend 90 seconds thinking and then scramble to type. A practical split: spend about 30 seconds reading the prompt and mentally organizing your answer, then use the remaining three minutes typing. You don’t need to fill the entire text box. A concise, well-structured response that addresses the core dilemma and considers multiple perspectives will score better than a long, rambling one.
Don’t try to write a perfect first sentence. Start with the most important point and build from there. If you run out of time mid-sentence, that’s fine. Raters understand the time constraint. What matters is that the substance of your answer demonstrates thoughtful reasoning.
Set Up Your Tech in Advance
Technical problems during the test are stressful and avoidable. You need a laptop or desktop computer running Windows or macOS with the latest version of Chrome or Firefox. Safari is not supported. Tablets, iPads, and smartphones are not supported. Hybrid devices like the Microsoft Surface can cause issues.
You need a working webcam and microphone for the entire test. Wired inputs or your computer’s built-in microphone are more reliable than wireless options. Bluetooth earbuds like AirPods can disconnect or die mid-test. Your internet connection needs at least 1.5 Mbps download and 2 Mbps upload speed.
Within six hours of your test start time, you must complete the System Requirements Check inside your Acuity Insights account. Use the same computer, browser, and location you plan to use during the real test. On test day, restart your computer to close background programs, and turn off any VPNs, firewalls, or browser extensions.
A Simple Study Timeline
Two to three weeks of preparation is plenty. In the first week, take the official practice test once to learn the format and identify where you struggle, whether that’s time management, video responses, or structuring your typed answers. Spend time reading through the sample scenarios on the Acuity Insights website and thinking through how you’d approach each one.
In the second week, practice daily. Spend 15 to 20 minutes each day working through ethical dilemmas out loud or in writing. Record video responses and review them. Focus on building the habit of identifying stakeholders, acknowledging missing information, and proposing conditional solutions. In the final days before your test, retake the full practice test under real conditions: same computer, same room, same time pressure. Then do your System Requirements Check and make sure everything works.