Unit 5 · Mental and Physical Health
The Complete AP Psychology Guide · AP PsychologyUnit 5 · Mental and Physical Health
- The Complete AP Psychology Guide
- AP Psychology
- 5 sections
Unit 5: Mental and Physical Health accounts for 15% to 25% of the AP Psychology exam score in Section I (multiple choice), and its mechanisms also appear in Section II free-response questions. Unit 5 asks three questions students habitually merge: what a psychological disorder looks like, why it developed, and what demonstrably helps.
- How AP Psychology assesses this 15–25% of the Section I score · mechanisms recur in Section II FRQs · 75 MCQs in 90 min
- Key skills categories of psychological disorders, explaining and classifying psychological disorders, introduction to health psychology, positive psychology
- How to study for Unit 5 By the end of this page you can classify by symptom pattern, explain by the interaction of vulnerability and stress, and match treatments to mechanisms and evidence — without letting the three bleed together.
- The organizing decision Is the scenario asking what the condition looks like (pattern), why it developed (interaction), or what helps (evidence-based treatment) — and which vocabulary does that question own?
What AP Psychology Unit 5 covers
Five official CED topics that must not bleed together: what a condition looks like, why it developed, and what helps. Each unit carries an official 15-25% share of the multiple-choice score.
Unit 5: Mental and Physical Health accounts for 15% to 25% of the AP Psychology exam score in Section I (multiple choice), and its mechanisms also appear in Section II free-response questions.
Weighting is the College Board CED range for the current exam. Higher-weight units repay proportionally more review time; use this share to size your effort before drilling the mechanisms below. See the AP Psychology exam guide & review for all five units.
Unit 5 asks three questions students habitually merge: what a psychological disorder looks like, why it developed, and what demonstrably helps. Each has its own vocabulary and evidence, and the scenarios punish answers that borrow from the wrong one.
By the end of this page you can classify by symptom pattern, explain by the interaction of vulnerability and stress, and match treatments to mechanisms and evidence — without letting the three bleed together.
The decision that organizes this unit
Pattern, interaction, evidence — in that order
Is the scenario asking what the condition looks like (pattern), why it developed (interaction), or what helps (evidence-based treatment) — and which vocabulary does that question own?
Identification, explanation, and treatment each own a vocabulary; mixing them is the unit's signature error.
Mechanism route and repair branches
Step 1 · Weigh the three identification factors separately
Not working (dysfunction), feeling bad (distress), and standing outside cultural norms (deviation) are three separate considerations. A vignette can carry any one without the others.
- Diagnostic cue: Someone distressed by grief is scored as 'dysfunction,' or an unusual but harmless routine as 'distress.'
- Wrong branch: The three identification factors are answered with each other because all three sound like 'something is wrong.'
- Repair: Test each on its own terms — functioning impaired? person suffering? outside cultural expectations? — and name only the factor the vignette shows.
Step 2 · Track stress as a sequence, not a moment
The general adaptation syndrome runs alarm, then resistance above baseline, then exhaustion below it — illness risk concentrating late. Coping is classified by target: the problem or the feeling.
- Diagnostic cue: A caregiver's months of coping followed by collapse is described as one long alarm reaction.
- Wrong branch: A three-stage sequence is flattened into a single episode, erasing the resistance plateau that explains the delayed cost.
- Repair: Restore the timeline: alarm mobilizes briefly, resistance holds above baseline while resources drain, exhaustion arrives late — where the illness risk belongs.
Step 3 · Require both the vulnerability and the trigger
The diathesis-stress account expects a disorder only when predisposition and accumulated stress meet. Vulnerability alone sits below threshold; the same stress lands on different constitutions differently.
Step 4 · Match the disorder to its defining pattern
The exam draws from Topic 5.4's closed list. Identify by the defining pattern, its timing, and what any fear attaches to — checking for elevated periods before assigning any mood category.
- Diagnostic cue: Weeks of low mood are assigned a depressive category without any question about elevated periods.
- Wrong branch: A mood category is chosen from the visible low without checking for alternating highs that would change the family.
- Repair: Ask the elevation question first: low mood alone and low mood alternating with manic periods are different categories. The check costs a sentence; skipping it costs the item.
Step 5 · Trace each treatment to mechanism and evidence
Psychotherapies work through structured conversation — restructuring thoughts, approaching feared cues, reinforcing behavior, reflecting the client's frame — while biological interventions act on signaling chemistry or tissue. Evidence and the alliance govern both.
Representation lab: the mechanism on the page
The three-stage stress sequence on one time axis
The general adaptation syndrome is a sequence, and the graph keeps its order honest. At the stressor's onset the body's resistance briefly drops — the alarm stage. If the stressor continues, resistance climbs above the dashed baseline and holds there: the resistance stage, in which the person copes while the body spends resources faster than it restores them. Only when that spending runs long does the curve fall below baseline into exhaustion, and this is where the marked illness risk belongs — wear accumulates at the end of the sequence, not at the dramatic-feeling alarm. Two boundaries: the curve describes a continuing stressor, not a single scare, and it is a physiological timecourse, not a diagnosis — feeling worn down is not itself a disorder.
Predisposition times stress, not predisposition alone
Each line tracks one person's risk of developing a disorder as life stress accumulates. Both lines rise — stress matters for everyone — but the line for the higher inherited or acquired predisposition rises far more steeply. The marked stress level is the reading that matters: at the same amount of stress, one person's risk is several times the other's. That is the diathesis-stress logic; it repairs two opposite overreaches. Vulnerability alone is not the disorder: at the far left, even the high-predisposition line sits low, because the trigger has not arrived. And stress alone is not the disorder either: at the far right the two lines remain far apart, because the same events land on different constitutions. A credit-bearing explanation names both factors and their interaction.
How the AP Psychology assesses Mental and Physical Health
Every figure below comes from the frozen AP Psychology CED 2025 snapshot behind this guide. Confirm the current exam structure, timing and tools on College Board's official course page before test day.
| Item | Weight / count | What it means |
|---|---|---|
| Share of the multiple-choice score | 15%-25% | The official College Board CED range for this unit. Every unit sits inside the same narrow band, so no unit can be skipped and none is worth double another. |
| Multiple choice | 75 questions in 90 minutes | Section I is 66.7% of the exam score, single-select and delivered digitally. |
| Free response | 2 questions in 70 minutes | Section II is 33.3%: one Article Analysis Question (suggested 25 minutes) and one Evidence-Based Question (suggested 45 minutes) in a single student-paced block. |
| Delivery | Fully digital through bluebook | Both sections are taken in the digital application; the free-response answers are typed. |
| Calculator and reference material | Neither is provided | No calculator is permitted and no reference sheet is supplied, so every definition and distinction has to be retrievable from memory. |
| Administration | May 2027 | The exam window this guide is built against; confirm the current date on College Board's official AP Psychology course page. |
Weigh the identification factors one at a time
One complete scenario item in the exam's own shape — an AskSia original, with the misconception behind every wrong option named.
- Step 1Test functioning on its own terms: is anything impaired? The household runs normally and the shed was purpose-built, so no.
- Step 2Test suffering on its own terms: is the person distressed? He enjoys the collection. Discomfort felt by neighbors is not the subject's distress.
- Step 3Test cultural expectation last: is the behavior outside the norm? The neighbors call it eccentric, so yes — and that is the only factor the vignette supplies.
- A · keyThe vignette supplies one factor and explicitly withholds the other two: functioning is intact and no suffering is reported. Naming only what is shown is the whole skill being tested.
- B · trapDysfunction means functioning is impaired, and the stem says the household runs normally. Reading unusualness as impairment is the commonest way this question type is failed.
- C · trapDistress means the person is suffering, and the stem says he enjoys the collection. Other people's discomfort with a habit is not the subject's distress.
- D · trapTreats the three factors as a package that arrives together. They are separate considerations precisely because a vignette can carry any one of them without the others.
Key terms for AP Psychology Unit 5
- Dysfunction
- Impairment of everyday functioning — one of the three identification factors, and the one that asks what the person can no longer do rather than how they feel about it.
- Distress
- The person's own suffering, weighed on its own terms. Other people's discomfort with a behavior is not distress, and a vignette can show deviation with no distress at all.
- Deviation
- Standing outside cultural expectation. It is the factor most easily mistaken for the other two, because unusualness reads as impairment unless functioning is checked separately.
- General adaptation syndrome
- The stress sequence of alarm, then resistance above baseline, then exhaustion below it. Illness risk concentrates late, which is why the timeline matters more than the intensity.
- Diathesis-stress model
- The account that expects a disorder only where predisposition and accumulated stress meet. Vulnerability alone sits below threshold, and identical stress lands differently on different constitutions.
- Problem-focused coping
- Coping aimed at the stressor itself — changing the situation that is producing the strain. Coping is classified by target, not by how effective it turns out to be.
- Emotion-focused coping
- Coping aimed at the feeling rather than the situation, appropriate where the stressor itself cannot be changed.
- Cognitive restructuring
- The psychotherapeutic mechanism that works by changing how a situation is interpreted, one of several distinct mechanisms structured conversation can act through.
- Exposure
- The treatment mechanism of approaching a feared cue under controlled conditions rather than avoiding it, so that avoidance stops maintaining the fear.
- Therapeutic alliance
- The working relationship between client and therapist, which the evidence treats as governing outcomes alongside the specific technique used.
- Resistance
- In the stress sequence, the sustained phase above baseline during which resources drain — not a refusal, and not the same as the brief alarm that precedes it.
- Exhaustion
- The late phase of the stress sequence, below baseline, where illness risk concentrates. Placing a collapse after months of coping here rather than in alarm is the timeline skill this topic tests.
AP Psychology Unit 5 FAQ
What are the three identification factors and how are they used?
Dysfunction, distress and deviation from cultural norms. They are three separate considerations, not a package: a vignette can carry any one without the others, and the exam builds items specifically to see whether you import the ones it did not state.
Is unusual behavior a disorder?
Not on its own. Deviation from cultural expectation is one identification factor, and it is the one most easily mistaken for the others. Check functioning and the person's own suffering separately before treating unusualness as anything more than unusual.
What does the diathesis-stress account predict?
That a disorder appears only where predisposition and accumulated stress meet. Vulnerability alone sits below threshold, and the same stressor lands differently on different constitutions — so an explanation naming only one of the two is incomplete.
How should I describe someone who coped for months and then collapsed?
As reaching exhaustion, not as a long alarm reaction. The stress sequence runs alarm briefly, then resistance sustained above baseline while resources drain, then exhaustion below baseline — which is where illness risk concentrates.
How is coping classified?
By what it targets: the problem itself, or the feeling it produces. The classification is about the aim, not about how well it worked, and emotion-focused coping is the appropriate choice where the stressor genuinely cannot be changed.
Which disorders does the exam expect me to know?
The course draws from a closed list rather than from clinical practice generally. Identify each by its defining pattern, its timing, and what any fear attaches to, and check for elevated periods before assigning any mood category.
How should I answer a treatment question?
By tracing the treatment to its mechanism and its evidence. Psychotherapies act through structured conversation — restructuring interpretation, approaching feared cues, reinforcing behavior, reflecting the client's frame — while biological interventions act on signalling chemistry or tissue.
Related AP Psychology unit guides
How to study for AP Psychology Unit 5
Keep the unit's three questions apart from the start: what the condition looks like, why it developed, and what helps. Each owns its own vocabulary, and most lost points in this unit come from answering one of those questions with the vocabulary of another — a classification term used to explain a cause, or a treatment named where a pattern was asked for.
Practice the three identification factors as three independent tests, answered only from what a vignette states. Impaired functioning, the person's own suffering, and standing outside cultural expectation are separate considerations, and importing the two the vignette withheld is the reliable way to fail this question type.
Study stress as a timeline. Alarm mobilises briefly, resistance holds above baseline while resources drain, and exhaustion arrives late, which is where illness risk belongs. A scenario describing months of coping followed by collapse is testing whether you can place the collapse correctly.
Learn the listed disorders by defining pattern, timing, and what any fear attaches to, rather than by symptom lists. Then trace each treatment to its mechanism and its evidence, so that a question about what helps is answered with a mechanism rather than with a brand name.
Confirm the current exam structure, timing and tools on College Board's official AP Psychology course page before you rely on any figure here; the course was redesigned recently and only its own documentation is authoritative.
