Free AP Psychology practice questions
AP-style practice questions for the redesigned AP Psychology course — from the biological bases of behavior to research methods — each with a four-part explanation that shows why the wrong choices are wrong. Try the samples, then keep going free.
What the AP Psychology exam looks like
AP Psychology was organized under the current five-unit framework, so its content was reorganized and the free-response was rebuilt. The figures below are approximate — because the format recently changed, confirm the current structure on the College Board.
About 75 questions.
Discrete questions that test concepts, research methods, and the ability to apply psychological science to scenarios and data — drawn from the course's restructured units (biological bases of behavior, cognition, development and learning, social psychology and personality, and mental and physical health). The questions below are this type.
2 questions, redesigned.
The redesigned free-response uses two task types: an Article Analysis Question, which asks you to evaluate a brief research description, and an Evidence-Based Question, which asks you to build an argument using sources. These replace the older free-response types.
~2 hours · 1–5.
The exam runs about two hours and the two sections combine into a single 1–5 score. A 3 is "qualified"; a 4 or 5 is strong. Score distributions vary by year, and the redesign reset prior-year comparisons — confirm them on College Board, and check each college's credit policy.
AP-style practice questions
Pick an answer, submit, and read the full explanation — including why the two main distractors fail. These are original, AP-style questions, not real or official AP questions.
Explanation — Correct: B
Food naturally triggers salivation without any learning, so it is the unconditioned stimulus (UCS). The bell only causes salivation after it has been paired with the food.
Why A is wrong: the "conditioned stimulus" is the bell after learning — a once-neutral cue that now triggers the response. Mislabeling the food as the conditioned stimulus confuses the natural trigger with the learned one.
Why C is wrong: salivation is a response, not a stimulus. The misconception here is mixing up the stimulus (what acts on the dog) with the response (what the dog does).
Takeaway: the unconditioned stimulus works from the start with no learning; the conditioned stimulus only works after pairing.
Explanation — Correct: C
The synapse (specifically the synaptic cleft) is the junction between neurons where the signal passes chemically — neurotransmitters cross the gap from one neuron to the next.
Why A is wrong: the axon carries the impulse away from the cell body within a single neuron. The trap is naming a part of the neuron instead of the space between neurons.
Why B is wrong: the dendrite receives incoming signals — it's a structure on the neuron, not the gap. Don't confuse the receiving branch with the junction itself.
Takeaway: axon and dendrite are parts of a neuron; the synapse is the gap between two of them. (Myelin just insulates the axon to speed conduction.)
Explanation — Correct: C
Only a controlled experiment with random assignment manipulates an independent variable while holding other factors constant, which is what lets you isolate a cause and conclude that it produced the effect.
Why A is wrong: a correlational study shows an association between variables, not causation — the classic misconception is "correlation equals causation." A third variable could explain both.
Why B and D are wrong: naturalistic observation and case studies describe behavior richly but don't manipulate variables or use random assignment, so they cannot establish cause.
Takeaway: if you want cause and effect, look for manipulation of a variable plus random assignment — that's the experiment.
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A full explanation on every answer
Not just an answer key — a four-part breakdown of why the right answer is right, why the main distractors fail and the misconception behind each, plus a one-line takeaway.
Aligned to the redesigned course
Questions are written to be aligned to the College Board's course framework and the restructured AP Psychology units, with the same focus on research methods the redesign rewards.
Learn from every miss
Practice by unit and let the explanations name the trap, so the next time a scenario question tries the same move, you see it coming.
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