10 free, exam-style Examination for Professional Practice in Psychology (EPPP) (EPPP) practice questions with answers and
explanations. No signup required. Work through them below, then take the
full free EPPP practice test to study every exam domain.
These 10 free EPPP questions are organized by exam domain, so you can see how each part of the Examination for Professional Practice in Psychology (EPPP) blueprint is tested. Reveal the answer and explanation under each question.
Domain 2: Cognitive-affective bases of behavior 13% of exam
Question 1
A casino patron continues feeding money into a slot machine for hours despite repeated losses, because a payout could come at any moment. The persistence of this behavior, and its strong resistance to extinction, is BEST explained by which schedule of reinforcement?
- Fixed-ratio
- Fixed-interval
- Variable-interval
- Variable-ratio
Show answer & explanation
Correct answer: D - Variable-ratio
Domain 3: Social and cultural bases of behavior 11% of exam
Question 2
An observer watches a stranger trip on a sidewalk and immediately concludes the person is 'clumsy and careless,' giving no thought to the uneven pavement or poor lighting. This judgment is the clearest example of:
- The self-serving bias
- The fundamental attribution error
- The actor-observer effect
- Cognitive dissonance
Show answer & explanation
Correct answer: B - The fundamental attribution error
Domain 4: Growth and lifespan development 12% of exam
Question 3
A child is shown two identical balls of clay. The examiner rolls one into a long, thin snake and asks whether the two pieces still contain the same amount of clay. The child insists the snake has more 'because it's longer.' According to Piaget, this child has NOT yet mastered the task because they are in which stage?
- Preoperational
- Sensorimotor
- Concrete operational
- Formal operational
Show answer & explanation
Correct answer: A - Preoperational
Domain 5: Assessment and diagnosis 16% of exam
Question 4
A newly developed depression scale yields nearly identical scores when the same stable clients are retested two weeks apart, yet its scores show almost no relationship to well-established depression measures or clinical diagnoses. This pattern indicates the scale is:
- Reliable but not valid
- Valid but not reliable
- Both reliable and valid
- Neither reliable nor valid
Show answer & explanation
Correct answer: A - Reliable but not valid
Question 5
A screening instrument for a rare disorder is described as having high sensitivity but low specificity. In practice, this means the instrument will tend to:
- Be most useful for confirming a diagnosis once suspected
- Miss many people who actually have the disorder
- Identify only the most severe cases of the disorder
- Produce a high number of false-positive results
Show answer & explanation
Correct answer: D - Produce a high number of false-positive results
Question 6
A psychologist must select an instrument to evaluate a Spanish-speaking client recently arrived from another country. The strongest justification for choosing a particular test is that it has been:
- Published most recently among the available options
- Normed and validated for the client's language and cultural group
- Found to produce the shortest administration time
- Used most frequently in the psychologist's prior cases
Show answer & explanation
Correct answer: B - Normed and validated for the client's language and cultural group
Domain 6: Treatment, intervention, prevention, and supervision 15% of exam
Question 7
A client referred for help with heavy drinking states, 'I don't really see my drinking as a problem, and I'm not planning to change anything.' Using the Transtheoretical (Stages of Change) Model, the clinician should recognize the client as being in which stage and respond accordingly?
- Precontemplation
- Contemplation
- Preparation
- Action
Show answer & explanation
Correct answer: A - Precontemplation
Domain 7: Research methods and statistics 7% of exam
Question 8
A researcher concludes that a new therapy significantly outperforms a control condition. Unknown to the researcher, the two conditions are actually equally effective, and the result occurred by chance. The researcher has committed which error?
- A Type II error
- A failure of statistical power
- A violation of external validity
- A Type I error
Show answer & explanation
Correct answer: D - A Type I error
Domain 8: Ethical, legal, and professional issues 16% of exam
Question 9
During a session, a client makes a credible, specific threat to seriously harm an identifiable former coworker. Following the precedent set by the second Tarasoff ruling, the psychologist's PRIMARY legal obligation is best described as a duty to:
- Warn the intended victim directly and exclusively
- Maintain confidentiality unless the client consents to disclosure
- Take reasonable steps to protect the intended victim
- Immediately initiate involuntary hospitalization of the client
Show answer & explanation
Correct answer: C - Take reasonable steps to protect the intended victim
Question 10
A psychologist is treating an adult client when the client's spouse calls, expresses concern, and asks what was discussed in the most recent session. Absent a signed authorization or a legally recognized exception, the MOST appropriate response is to:
- Share general impressions but withhold specific clinical details
- Provide information, since a spouse is considered next of kin
- Decline to confirm or disclose any information about the client
- Ask the spouse to put the request in writing for the record
Show answer & explanation
Correct answer: C - Decline to confirm or disclose any information about the client
The rest of the EPPP blueprint
The EPPP exam also covers these domains. Drill them in the full free practice test:
- Domain 1: Biological bases of behavior 10% of exam