What I Actually Use On The Exam
I teach undergrad psych twice a week and something always comes up during practice quizzes that makes me wish I'd flagged it sooner. Most people build their cheat sheet backwards - they start with definitions and work toward examples. That's the wrong order. I reverse-engineer everything from the problems themselves. Here's what consistently shows up, in roughly the order I put them on the sheet, not alphabetical or by importance: Pavlov is the entry point for every intro class. The UCS-UCR-CRC-CS framework is basic but most students mislabel UCR and CR as the same thing. They're not. UCR is the unlearned response to the UCS. CR is the learned response to the CS. Same behavior, different trigger.
I've seen students lose points for calling the salivation to the bell a UCR. It's a CR. The UCR only applies when food is involved. This distinction matters more than most realize because exam questions will try to trip you up with that exact switch.
2. Operant Conditioning
Skinner's framework gets heavier on the reinforcement and punishment types. Positive and negative each apply to both reinforcement and punishment. Positive means adding something. Negative means removing something. Reinforcement strengthens behavior. Punishment weakens it. The real problem isn't the definitions. It's recognizing when a consequence is actually punishment versus extinction in disguise. I had a student last semester who confused taking away a teen's phone (negative punishment) withTimeout (time-out from positive reinforcement) on a practice question. Same result, different classification, and the exam wanted the technical answer, not the practical one.
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3. Memory Models
The Atkinson-Shiffrin multi-store model remains the standard framework despite its age. Sensory register, short-term storage, long-term storage. Working memory takes over where short-term memory leaves off. The magic number seven plus or minus two is still tested, though the actual capacity varies by individual and material type. Chunking extends effective capacity significantly. Encoding specificity is the principle most students underuse when studying. Matching retrieval context to encoding context improves recall. I tell my students to study in conditions similar to the testing environment, not because it's mystical but because contextual cues serve as retrieval supports that are harder to generate internally under exam pressure.
4. Cognitive Dissonance
Festinger's concept explains why people justify decisions after they've made them. The discomfort from holding conflicting cognitions drives attitude change. The classic experiment with boring tasks and monetary incentives revealed that lower payment produced greater attitude shift. When external justification is insufficient, people change their internal attitude instead. The counter-intuitive part is that cognitive dissonance is strongest when the decision is irreversible and the alternatives are similar in attractiveness. Once you've committed, the mental gymnastics increase significantly.
5. Attachment Theory
Bowlby and Ainsworth mapped how early relational patterns predict later behavior. Secure attachment forms from consistent caregiver responsiveness. Anxious-ambivalent attachment stems from inconsistent responsiveness. Avoidant attachment develops from unresponsive or rejecting caregiving. These patterns show moderate stability into adulthood but can shift with new relationship experiences. The Strange Situation procedure classifies infants into attachment categories based on their behavior during separation and reunion episodes. Most important for exam purposes: the reunion behavior is the diagnostic indicator, not the exploration during the mother's presence.

6. Myers-Briggs vs. Big Five
Myers-Briggs dominates pop culture but has serious psychometric problems. Low test-retest reliability, forced binary choices that ignore dimensional reality, and poor predictive validity compared to trait-based models. Big Five measures five dimensions along continua: openness, conscientiousness, extraversion, agreeableness, neuroticism. I've watched students confidently cite MBTI types as legitimate scientific constructs in essays. The distinction matters because exam questions sometimes present MBTI results alongside Big Five data and expect you to evaluate their relative scientific standing. Big Five wins on reliability and validity every time.
7. Stress and Coping
Selye's General Adaptation Syndrome describes alarm, resistance, and exhaustion stages. Lazarus and Folkman added cognitive appraisal to the model, distinguishing primary appraisal (is this relevant or threatening?) from secondary appraisal (do I have resources to cope?). Problem-focused coping addresses the stressor directly. Emotion-focused coping manages the emotional response. The bottleneck most students hit is confusing active coping with passive coping. Active coping involves direct behavioral engagement. Passive coping includes denial and behavioral disengagement. Both can be emotion-focused, but only active coping correlates consistently with better health outcomes across studies.
8. Attribution Theory
Kelley's covariation model uses consensus, distinctiveness, and consistency information to determine whether behavior is attributed to the person or the situation. The fundamental attribution error describes the tendency to overattribute others' behavior to dispositional factors and underattribute situational factors. Self-serving bias operates in the opposite direction for our own actions. A common exam trap: students identify the fundamental attribution error in scenarios where the actor has incomplete information about the situation. The error only applies when the observer has full information but still defaults to dispositional explanation. If information is genuinely limited, the attribution may be accurate.

9. Social Influence
Asch, Milgram, and Zimbardo each produced foundational but debated findings. Conformity, obedience, and role internalization represent different mechanisms. The bystander effect and diffusion of responsibility explain reduced helping in groups. Deindividuation accounts for loss of self-awareness in anonymous group settings. The most practically useful insight: compliance techniques like door-in-the-face and foot-in-the-door work reliably across contexts but fail when the target recognizes the pattern. Awareness of the technique reduces its effectiveness substantially. This matters for both answering exam questions and understanding real-world manipulation.
10. Psychopathology Classification
DSM-5 criteria require specific symptom counts, duration thresholds, and functional impairment markers. Understanding comorbidity rates is essential - anxiety and depression co-occur in roughly sixty percent of cases. Differential diagnosis depends on ruling out medical conditions and substance effects before assigning a psychological diagnosis. The dimensional vs. categorical debate in classification remains unresolved. While DSM-5 uses categorical diagnoses, research strongly supports dimensional models. Exams will typically test DSM-5 criteria because that's what clinicians use, even if the framework has well-known limitations around comorbidity and diagnostic overlap.
What I Wish Students Knew Earlier
There's a specific edge case that costs students points repeatedly. When a question describes a scenario where someone stops doing something because a rewarding activity is removed, it's negative punishment, not extinction. Extinction specifically refers to withholding reinforcement for a previously reinforced behavior. Removing a positive reinforcer to decrease behavior is negative punishment. The mechanism is different even when the outcome looks the same. I encountered this exact confusion during office hours last spring. A student argued that taking away screen time from a teenager who was whining was extinction. It wasn't. Screen time wasn't the reinforcer maintaining the whining behavior in that context - it was an unrelated positive stimulus being removed contingently. That's negative punishment. The whining would undergo extinction only if the attention the whining previously received was no longer provided. Another issue: people assume that because something is well-known, it's well-supported. The Stanford prison experiment is taught everywhere despite methodological flaws that most introductory courses gloss over. Demand characteristics, unclear random assignment, and Zimbardo's dual role as researcher and superintendent undermine the conclusions. When an exam question asks about ethical issues in social psychology research, mention this study but note the validity concerns.

The biggest practical limitation of any psychology cheat sheet is that no single version works for every course. Different professors weight concepts differently. Some emphasize historical figures and experiments. Others focus on current research and methodological critique. I always recommend cross-referencing your specific textbook's chapter summaries and the learning objectives listed at the beginning of each chapter. Those objectives tell you exactly what your professor considers important. I also learned through experience that drawing diagrams beats writing paragraphs for quick review. Conditioning schemes, brain anatomy, and experimental designs all communicate faster visually. A single well-labeled diagram of the operant conditioning matrix covers more ground than three paragraphs of text and takes about forty-five seconds to review instead of three minutes. The sheet I use is usually two pages front and back. Anything longer becomes useless because you won't review it. The constraint forces prioritization. You keep what you actually need and drop what you don't. That's harder than it sounds because it requires honest assessment of what you already know versus what you genuinely need to review.