Updated July 2026

Here is the thing almost nobody tells you when you start studying for the EPPP. The smartest way to raise your score is not to re-read the stuff you already know. It feels good to review your strong domains. Your flashcards flip fast, you get most of them right, and your brain rewards you with a little hit of confidence. But you are just polishing points you already have.

The score lives in your weakest domain.

I'm Dr. Anders Chan. I scored 588 on the EPPP, and I built thePsychology.ai after watching too many smart clinicians study hard and still walk out shaky. The pattern was almost always the same. They spread their time evenly across all eight domains, so they never spent enough time where it actually mattered.

So here is a simple tool I want you to use. I call it the opportunity score.

Opportunity score = (percent of questions you get wrong in a domain) x (that domain's weight on the exam).

A domain where you miss 40 percent of questions, and which is worth 16 percent of the test, is a goldmine. A domain where you miss 40 percent but it is only worth 7 percent of the test matters less. Rank your domains by opportunity score, then drill from the top down. That is how you study less and score higher.

This page gives you one fresh, application-based sample question for every one of the eight domains, plus the real exam weights so you can build your own opportunity scores. If you want to actually find your weak spots fast, do this next.

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The 8 EPPP Domains and Their Exam Weights

These are the current content weights from the ASPPB Candidate Handbook for the Knowledge exam (EPPP Part 1). They are worth memorizing, because they tell you where the points are.

#	Domain	Exam Weight
1	Biological Bases of Behavior	10%
2	Cognitive-Affective Bases of Behavior	13%
3	Social and Cultural Bases of Behavior	11%
4	Growth and Lifespan Development	12%
5	Assessment and Diagnosis	16%
6	Treatment, Intervention, Prevention, and Supervision	15%
7	Research Methods and Statistics	7%
8	Ethical, Legal, and Professional Issues	16%

Assessment and Diagnosis and Ethical, Legal, and Professional Issues are tied for the heaviest, at 16 percent each. Together, Assessment, Treatment, and Ethics make up 47 percent of the whole exam. If those three are shaky for you, that is almost half your score sitting on unstable ground.

1. Biological Bases of Behavior (10%)

This domain covers neuroanatomy, neurotransmitters, the endocrine system, psychopharmacology, and how brain systems drive behavior. It is where you get tested on things like which neurotransmitter is involved in which disorder, and how a given medication works.

What trips people up: the detail. There is a lot of memorization here, and questions like to hide the answer inside a clinical scenario instead of asking you the fact straight.

Sample question

A 34-year-old man is started on a medication for major depressive disorder. Two weeks in, he reports his mood is a bit better, but he now feels restless, cannot sit still, and has trouble sleeping. His clinician suspects the medication is causing this. Which class of medication is he most likely taking?

A. Benzodiazepine B. Selective serotonin reuptake inhibitor (SSRI) C. Tricyclic antidepressant D. Beta blocker

Correct answer: B

Restlessness, an inability to sit still (a jittery activation that can look like akathisia), and insomnia are common early SSRI side effects, and they often show up in the first couple of weeks before the full mood benefit lands. That timeline fits the scenario. Benzodiazepines (A) are sedating and reduce restlessness, so they would not explain new agitation. Tricyclics (C) tend to cause sedation, dry mouth, and other anticholinergic effects rather than an activating, jittery picture. Beta blockers (D) are not first-line antidepressants and typically calm physical arousal, which is the opposite of what he describes.

2. Cognitive-Affective Bases of Behavior (13%)

This domain covers learning, memory, emotion, motivation, cognition, and the theories behind them. Think classical and operant conditioning, memory models, and how emotion and thought interact.

What trips people up: the classic conditioning terms get mixed up under pressure. Positive, negative, reinforcement, and punishment sound simple until the vignette forces you to apply them.

Sample question

A teacher wants to reduce how often a student calls out answers without raising his hand. Every time the student calls out, the teacher immediately removes two minutes from his preferred free-play time. The behavior drops over the next week. In operant terms, what did the teacher use?

A. Positive punishment B. Negative punishment C. Negative reinforcement D. Extinction

Correct answer: B

The behavior went down, so this is punishment, not reinforcement. Something was taken away (free-play time), which makes it negative. Removing a desired stimulus to decrease a behavior is negative punishment, so B is correct. Positive punishment (A) would mean adding an aversive stimulus, like extra work, not removing something pleasant. Negative reinforcement (C) removes something aversive to increase a behavior, which is the wrong direction here. Extinction (D) means withholding a reinforcer that was maintaining the behavior, but the teacher is actively removing playtime, not simply ignoring the call-outs.

3. Social and Cultural Bases of Behavior (11%)

This domain covers social psychology, group behavior, attitudes, attribution, and cultural and diversity factors that shape behavior. It includes classic social psych findings and how culture affects assessment and treatment.

What trips people up: the attribution and bias terms blur together, and the culturally responsive practice items reward nuance over the obvious answer.

Sample question

A psychologist observes that when a colleague is late to a meeting, she thinks he is careless and disorganized. When she herself is late the following week, she explains it as heavy traffic. Which concept best describes the difference in how she explains the two events?

A. Just-world hypothesis B. Fundamental attribution error C. Actor-observer bias D. Self-serving bias

Correct answer: C

Actor-observer bias is the tendency to attribute other people's behavior to their character while attributing our own behavior to the situation. She blames his lateness on who he is (careless) but blames her own lateness on the situation (traffic), which is the textbook pattern. The fundamental attribution error (A and often confused with B) refers specifically to overweighting dispositional causes for others' behavior, but it does not, on its own, capture the flip in how she explains her own behavior. Because the question centers on the contrast between explaining others versus explaining the self, actor-observer bias is the better fit. Self-serving bias (D) is about protecting self-esteem by taking credit for success and blaming failure on outside forces, which is close but is about outcomes for the self, not the observer-versus-actor contrast shown here.

4. Growth and Lifespan Development (12%)

This domain covers development across the lifespan, from infancy to older adulthood. Attachment, cognitive and moral development, aging, and the major stage theories all live here.

What trips people up: the stage theories overlap in age ranges, and vignettes ask you to match a behavior to the right theorist's stage under time pressure.

Sample question

A 14-month-old is playing happily with toys while her mother sits nearby. When the mother briefly leaves the room, the child cries and stops playing. When the mother returns, the child quickly reaches for her, is soothed within a minute, and goes back to exploring the toys. In the Strange Situation framework, this pattern best reflects which attachment style?

A. Secure attachment B. Anxious-ambivalent (resistant) attachment C. Avoidant attachment D. Disorganized attachment

Correct answer: A

Secure attachment is marked by distress at separation, active seeking of the caregiver on reunion, quick soothing, and a return to exploration. That is exactly what this child does, so A is correct. Anxious-ambivalent (B) children are very distressed and are hard to soothe on reunion, often mixing seeking contact with resisting it, so they do not settle and return to play quickly. Avoidant (C) children show little distress at separation and actively avoid or ignore the caregiver on reunion. Disorganized (D) children show confused or contradictory behavior, such as approaching then freezing, without a coherent strategy. The smooth soothing and return to exploration is the tell for secure.

5. Assessment and Diagnosis (16%)

This is one of the two heaviest domains. It covers psychological testing, psychometrics, test construction, interpretation, and diagnosis. Reliability, validity, standardized measures, and DSM criteria all show up here.

What trips people up: the psychometrics (reliability versus validity, the different types of each) are dense, and diagnosis items reward careful reading of every symptom and its duration.

Sample question

A psychologist is choosing a measure of depression for a treatment-outcome study. She needs an instrument that produces very consistent scores when the same stable client takes it twice a few days apart, with no real change in symptoms in between. Which psychometric property is she most focused on?

A. Content validity B. Test-retest reliability C. Concurrent validity D. Internal consistency

Correct answer: B

Consistency of scores across two administrations over a short time, with no true change expected, is the definition of test-retest reliability. That is precisely her concern, so B is correct. Content validity (A) is about whether the items cover the full construct of depression, which is a validity question, not a consistency-over-time question. Concurrent validity (C) is about how well the measure correlates with another accepted measure taken at the same time, again a validity issue. Internal consistency (D) is about how well the items on a single administration hang together (often measured by coefficient alpha), which is a form of reliability but within one sitting, not across two time points. The two-administrations-over-time detail points straight to test-retest.

6. Treatment, Intervention, Prevention, and Supervision (15%)

This heavy domain covers therapy models, evidence-based treatments, prevention, consultation, and clinical supervision. It rewards knowing which intervention fits which problem and which stage of care.

What trips people up: many answer choices are reasonable-sounding interventions, so the question hinges on which one is the most appropriate next step, not just a good idea.

Sample question

A client with a specific phobia of driving has agreed to exposure-based treatment. The therapist and client build a list of driving situations ordered from least to most anxiety-provoking, then work through them one step at a time while the client uses relaxation skills. What technique is the therapist using?

A. Flooding B. Systematic desensitization C. Aversion therapy D. Cognitive restructuring

Correct answer: B

Building a graded hierarchy from least to most feared and pairing gradual exposure with relaxation is the definition of systematic desensitization, so B is correct. Flooding (A) exposes the client to the most feared situation right away, without a gradual hierarchy or paired relaxation, which is not what this therapist is doing. Aversion therapy (C) pairs an unwanted behavior with an unpleasant stimulus to reduce it, which does not fit a phobia-reduction goal. Cognitive restructuring (D) targets and changes distorted thoughts and can be part of treatment, but it is not the technique described here, which is clearly a graded exposure plus relaxation procedure.

7. Research Methods and Statistics (7%)

This is the lightest domain by weight, but do not skip it. It covers research design, statistics, measurement, and how to read and interpret results. Expect items on validity threats, statistical tests, and study design.

What trips people up: the stats vocabulary is intimidating for people who have been out of a methods class for years, and the questions often test conceptual understanding rather than calculation.

Sample question

A researcher runs a study and finds a statistically significant result. In reality, though, there is no true effect in the population; the significant finding happened by chance. What kind of error did the researcher make?

A. Type I error B. Type II error C. Sampling error D. Measurement error

Correct answer: A

A Type I error is a false positive: rejecting the null hypothesis (concluding there is an effect) when the null is actually true (there is no effect). That is exactly the scenario, so A is correct. A Type II error (B) is a false negative, failing to find an effect that truly exists, which is the opposite of what happened. Sampling error (C) is the natural variation between a sample and the population, a general concept rather than the specific false-positive decision described. Measurement error (D) refers to inaccuracy in the measurement of a variable, not to the decision made about the null hypothesis.

8. Ethical, Legal, and Professional Issues (16%)

This is the other heaviest domain, tied at 16 percent. It covers the APA Ethics Code, laws, confidentiality, informed consent, competence, multiple relationships, and professional conduct. It is high-yield and very learnable, which is a gift.

What trips people up: the answer that feels most protective is not always the ethically correct one, and several choices can look defensible until you apply the actual standard.

Sample question

A psychologist has been seeing a client for anxiety for six months. The client, who owns a landscaping business, offers to redo the psychologist's yard for free in exchange for continuing therapy sessions at no charge. What is the most appropriate response?

A. Accept the arrangement, since bartering is always prohibited only when it involves goods, not services B. Decline automatically, because any form of bartering is strictly forbidden by the APA Ethics Code C. Consider the arrangement only if it is not clinically contraindicated and not exploitative, and document it clearly D. Refer the client to another psychologist to avoid any appearance of a dual relationship

Correct answer: C

Under the APA Ethics Code, bartering is not flatly banned. It is permitted only if it is not clinically contraindicated and not exploitative, and good practice is to clarify and document the arrangement. That makes C the most appropriate answer. Option A states a false rule (the code does not draw a goods-versus-services line like that) and skips the required judgment about exploitation. Option B is also wrong because bartering is not strictly forbidden; it is conditionally allowed. Option D overreacts by terminating a working therapeutic relationship when a careful, documented judgment is the standard, and an abrupt referral could itself harm the client. The code asks for thoughtful evaluation, not reflexive avoidance.

Application-Based Questions vs Flashcards

Notice what every question above has in common. None of them asked you to define a term. They dropped you into a clinical moment and made you decide.

That is the whole game on the real EPPP. The exam rarely says "define negative punishment." It gives you a teacher, a student, and a lost two minutes of playtime, and it makes you apply the concept. This is exactly where recall-only studying falls apart.

Flashcards train recognition. You see the front, you flip it, you feel the click of "yes, I know this." But recognition is not the same as application. On exam day, you do not get the front of a flashcard. You get a paragraph with a distractor buried in it, and three of the four answers are things a competent psychologist could plausibly do.

Application-based questions train the skill the test actually measures: reading a scenario, filtering the noise, and choosing the most appropriate answer. When you miss one, the rationale teaches you not just the fact but the reasoning, including why the tempting wrong answers are wrong. That is where the real learning happens.

Flashcards are not useless. They are fine for the raw memorization in Biological Bases. But if flashcards are your whole plan, you are practicing the wrong sport.

Want the Full Set? Drill Your Weak Domains on Repeat

One question per domain is a taste, not a study plan. For a bigger free set, go work through our 50 free EPPP practice questions. Every one is application-based, with a full rationale, so you can start scoring your own domains today.

Then use your opportunity scores. Once you know which two or three domains are dragging your average down, the move is simple: drill those, and keep drilling until they stop being your weak spots.

That is the part a fixed question bank cannot do. On thePsychology.ai, the adaptive engine watches which domains you miss and generates unlimited fresh questions in those exact areas. You are not re-answering the same 50 items you have half-memorized. You get new vignettes in your weakest domain until the pattern finally clicks. We also have 80-plus psychologist-written lessons, 2,200-plus questions, 16 full-length practice exams, and built-in wellness tools, because a calm brain recalls better than a fried one.

If you want the honest downsides too, I'll give them to you: we are newer than the big names, our community is smaller, and we do not have a native mobile app yet (the web app is mobile-responsive). What we do have is the lowest monthly price of any program here, at 40 dollars a month, and a study loop built around the thing the exam actually tests.

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Frequently Asked Questions

Which EPPP domain is weighted most?

Two domains are tied for the most weight: Assessment and Diagnosis and Ethical, Legal, and Professional Issues, at 16 percent each. Treatment, Intervention, Prevention, and Supervision is close behind at 15 percent. Together those three make up nearly half of the Knowledge exam, so they are the highest-yield places to be strong.

How many questions should I do per domain?

Do not spread them evenly. Use your opportunity score (percent wrong times the domain's weight) to decide. Spend the most reps on the two or three domains where you miss the most points, and keep drilling those until your accuracy climbs. A practical target is doing enough questions in a weak domain that you are consistently getting 80 percent or more right before you shift your time elsewhere.

Are these practice questions free?

Yes. The eight sample questions on this page are free, and so are the 50 questions in our free EPPP practice questions post. thePsychology.ai also offers a 7-day free trial with no credit card required (a .edu email gets a full month), so you can try the adaptive engine that drills your weak domains at no cost.

Do these questions match the 2026 exam?

Yes. These questions are written in the style of the current EPPP Knowledge exam (EPPP Part 1), which has 225 items (175 scored plus 50 unscored pretest items), covers the eight content domains listed above, and uses a scaled score from 200 to 800. The application-based vignette format mirrors how the real exam tests you.

Do I still take both EPPP Part 1 and Part 2?

Today you take EPPP Part 1 (the Knowledge exam), and you take EPPP Part 2 (Skills) only if your state or provincial board requires it, because not all boards do. What ASPPB paused in October 2024 was the mandate that every jurisdiction adopt both parts, not Part 2 itself. Looking ahead, a single integrated EPPP (six competency domains, mixing multiple-choice, scenario clusters, and audio-video items) is set to beta in 2027, go live in Q4 2027, and become the only exam on April 1, 2028.

What is the passing score on the EPPP Knowledge exam?

ASPPB recommends a scaled score of 500 for independent practice and 450 for supervised practice, but each board sets its own requirement, so check your jurisdiction. See our guides on EPPP pass rates and the EPPP domain weights for the full picture.

Ready to Find Your Weak Domain?

You now have the exam weights and one question per domain. The next step is finding out where you actually lose points, and then drilling only there. That is the whole strategy: stop re-reading what you know, attack what you don't, and let the questions do the teaching.

If you want a plan around it, start with our free EPPP study plan, and if you have taken the exam before and it did not go your way, read what to do after failing the EPPP. When you are ready to drill, the adaptive engine is waiting.

Study less, score higher.

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Sources

• ASPPB EPPP Candidate Handbook (domain weights, passing score, fees, retakes): https://asppb.net/wp-content/uploads/EPPP-Candidate-Handbook.pdf
• ASPPB 2027 EPPP content specifications: https://asppb.net/insights-advocacy/asppb-announces-2027-eppp-content-specifications/
• ASPPB eligibility and cost update (integrated exam timeline and fees): https://asppb.net/news/eppp-eligibility-updates-professional-practice-cost/