Research Methods, Biology, and Learning
The first major chunk of any psych course covers how psychologists study behavior, the biological basis of behavior, and the principles of learning. These fundamentals appear in every unit that follows.
Key Experimental Concepts
Understanding research design is essential for every psychology topic. Independent variables are manipulated by researchers, while dependent variables are measured. Confounding variables threaten internal validity by affecting results uncontrollably.
Random assignment is critical for establishing causation. Correlation shows statistical association, but only experiments with random assignment prove causation. This distinction appears repeatedly on exams.
The Nervous System and Neurons
The neuron is the basic cell of the nervous system. It consists of dendrites, cell body, axon, and terminal buttons. Action potentials are electrical impulses traveling down the axon and follow the all-or-none principle.
Neurotransmitters are chemical messengers released at synapses. Key examples include dopamine, serotonin, GABA, glutamate, and acetylcholine. The sympathetic nervous system produces the fight-or-flight response. The parasympathetic nervous system enables rest-and-digest responses.
Classical and Operant Conditioning
Classical conditioning (Pavlov) occurs when a neutral stimulus pairs with an unconditioned stimulus. This becomes a conditioned stimulus that triggers a learned response. Operant conditioning (Skinner) uses consequences to shape behavior. Behavior followed by positive reinforcement (adding desired stimulus) increases. Behavior followed by negative reinforcement (removing aversive stimulus) also increases. Both strengthen behavior.
Schedules of reinforcement determine how often rewards appear. Fixed ratio, variable ratio, fixed interval, and variable interval schedules all produce different response patterns. Variable ratio schedules produce the highest and most resistant responding.
Observational learning (Bandura) shows that people learn by watching others. The Bobo doll experiment demonstrated modeling of aggression in children. Latent learning (Tolman) occurs without reinforcement and is only demonstrated when motivation increases.
| Term | Meaning |
|---|---|
| Independent variable | The variable manipulated by the researcher in an experiment. |
| Dependent variable | The variable measured in an experiment; expected to change in response to the IV. |
| Confounding variable | An uncontrolled variable that could affect the DV, threatening internal validity. |
| Random assignment | Placing participants into groups by chance. Critical for establishing causation. |
| Correlation vs causation | Correlation is a statistical association; causation requires an experiment with random assignment. |
| Neuron | Basic cell of the nervous system. Consists of dendrites, cell body, axon, and terminal buttons. |
| Action potential | Electrical impulse traveling down an axon. All-or-none; triggered when threshold is reached. |
| Neurotransmitters | Chemical messengers released at synapses. Examples: dopamine, serotonin, GABA, glutamate, acetylcholine. |
| Sympathetic nervous system | Fight-or-flight branch of the autonomic nervous system. |
| Parasympathetic nervous system | Rest-and-digest branch of the autonomic nervous system. |
| Classical conditioning (Pavlov) | Learning through association: a neutral stimulus paired with an unconditioned stimulus becomes a conditioned stimulus. |
| Operant conditioning (Skinner) | Learning through consequences: behavior followed by reinforcement increases; behavior followed by punishment decreases. |
| Positive vs negative reinforcement | Positive adds a desired stimulus; negative removes an aversive one. Both increase behavior. |
| Schedules of reinforcement | Fixed ratio, variable ratio, fixed interval, variable interval. Variable ratio produces highest, most resistant responding. |
| Observational learning (Bandura) | Learning by watching others. Bobo doll experiment demonstrated modeling of aggression. |
| Latent learning | Learning that occurs without reinforcement and is not demonstrated until there is motivation to do so (Tolman). |
Cognition, Memory, and Development
Cognition and developmental psychology make up the conceptual middle of the course. Master the memory models and Piaget's stages. Both appear on virtually every exam.
The Three-Stage Memory Model
Sensory memory briefly stores sensory information. Iconic (visual) memory lasts about 0.5 seconds. Echoic (auditory) memory lasts about 3-4 seconds.
Short-term or working memory holds 7 plus or minus 2 items for roughly 20-30 seconds without rehearsal (Miller). Long-term memory has theoretically unlimited capacity and duration. It divides into explicit (declarative) and implicit (procedural) memory.
Encoding is the process of getting information into memory. Deeper processing improves retention significantly. Retrieval cues are stimuli that trigger recall. Context-dependent and state-dependent effects demonstrate their power.
Ebbinghaus's forgetting curve shows that retention drops sharply soon after learning, then levels off. Spaced repetition dramatically flattens the curve. Loftus's reconstructive memory theory states that memory is reconstructed, not recorded, and is subject to distortion by misleading information.
Cognitive Biases and Heuristics
Cognitive dissonance (Festinger) creates discomfort from holding inconsistent beliefs. People resolve this by changing attitudes or behavior. The availability heuristic leads people to judge probability by how easily examples come to mind.
The representativeness heuristic leads people to judge probability by how well something matches a prototype. This often causes people to ignore base rates.
Piaget's and Erikson's Developmental Stages
Piaget's stages are sensorimotor (0-2 years), preoperational (2-7 years), concrete operational (7-11 years), and formal operational (11 years and beyond).
Object permanence develops around 8 months. Children understand that objects continue to exist when out of sight. Conservation develops in the concrete operational stage. Children understand that quantity remains the same despite changes in shape.
Erikson's stages span infancy to old age. Each stage presents a central conflict like trust versus mistrust or identity versus role confusion. Kohlberg's moral development progresses through preconventional (reward and punishment), conventional (social approval and law), and postconventional (universal principles) levels.
Attachment (Ainsworth) includes four types: secure, insecure-avoidant, insecure-anxious (ambivalent), and disorganized. The Strange Situation procedure measures these attachment styles.
| Term | Meaning |
|---|---|
| Sensory memory | Brief storage of sensory information. Iconic (visual, ~0.5 sec) and echoic (auditory, ~3-4 sec). |
| Short-term/working memory | Holds 7 ± 2 items for about 20-30 seconds without rehearsal (Miller). |
| Long-term memory | Theoretically unlimited capacity and duration. Divided into explicit (declarative) and implicit (procedural) memory. |
| Encoding | The process of getting information into memory. Deeper processing improves retention. |
| Retrieval cues | Stimuli that trigger recall. Context-dependent and state-dependent effects demonstrate their power. |
| Forgetting curve (Ebbinghaus) | Retention drops sharply soon after learning and levels off. Spaced repetition dramatically flattens the curve. |
| Reconstructive memory (Loftus) | Memory is not a recording but is reconstructed, and subject to distortion by misleading information. |
| Cognitive dissonance (Festinger) | Discomfort from holding inconsistent beliefs. Resolved by changing attitudes or behavior. |
| Availability heuristic | Judging probability by how easily examples come to mind. |
| Representativeness heuristic | Judging probability by how well something matches a prototype, often ignoring base rates. |
| Piaget's stages | Sensorimotor (0-2), preoperational (2-7), concrete operational (7-11), formal operational (11+). |
| Object permanence | Understanding that objects continue to exist when out of sight. Develops around 8 months. |
| Conservation | Understanding that quantity remains the same despite changes in shape. Develops in concrete operational stage. |
| Erikson's stages | Eight psychosocial stages from infancy to old age, each with a central conflict (e.g., trust vs mistrust, identity vs role confusion). |
| Kohlberg's moral development | Preconventional (reward/punishment), conventional (social approval and law), postconventional (universal principles). |
| Attachment (Ainsworth) | Secure, insecure-avoidant, insecure-anxious (ambivalent), and disorganized. Measured by Strange Situation. |
Personality, Social Psychology, and Disorders
These topics close out the course and are tested heavily. Memorize key researchers and classic studies alongside the theories.
Personality Theories
Freud's structural model consists of the id (instincts), ego (reality), and superego (morality). The ego mediates between the id, superego, and reality.
Defense mechanisms include repression, denial, projection, rationalization, displacement, sublimation, regression, and reaction formation. The Big Five personality traits form the OCEAN model: Openness, Conscientiousness, Extraversion, Agreeableness, and Neuroticism.
Maslow's hierarchy progresses from physiological needs to safety, belonging, esteem, and self-actualization. Lower needs must be satisfied before higher ones.
Classic Social Psychology Studies
Milgram's obedience study found that 65% of participants administered maximum shocks under authority pressure. This demonstrated the power of situational influence on behavior.
Asch's conformity study showed that participants conformed to an obviously wrong answer about one-third of the time. They did this when a group unanimously gave that answer.
Zimbardo's Stanford prison experiment revealed how quickly assigned roles shape behavior. Ethical criticisms led to modern research standards in psychology.
Social Cognition and Group Behavior
The fundamental attribution error causes people to attribute others' behavior to disposition rather than situation. The bystander effect shows that individuals are less likely to help when others are present. Diffusion of responsibility is a key cause.
Social facilitation improves performance on easy tasks when others are present. Social loafing reduces effort in group tasks when individual contributions are not tracked.
Major Psychological Disorders
Major depressive disorder includes persistent low mood, anhedonia, sleep or appetite changes, fatigue, worthlessness, and suicidality lasting at least 2 weeks.
Generalized anxiety disorder involves excessive, uncontrollable worry about multiple topics for at least 6 months. Physical symptoms are common.
Schizophrenia is a psychotic disorder with positive symptoms (delusions, hallucinations) and negative symptoms (flat affect, avolition). It typically emerges in late teens to twenties.
Bipolar disorder alternates between depression and mania (or hypomania in bipolar II).
Treatment Approaches
Cognitive-behavioral therapy (CBT) is short-term therapy that identifies and changes maladaptive thoughts and behaviors. It is first-line for many disorders.
Antidepressant classes include SSRIs (first-line), SNRIs, TCAs, and MAOIs. SSRIs take 4-6 weeks for full effect.
| Term | Meaning |
|---|---|
| Freud's structural model | Id (instincts), ego (reality), superego (morality). The ego mediates between id, superego, and reality. |
| Defense mechanisms | Repression, denial, projection, rationalization, displacement, sublimation, regression, reaction formation. |
| Big Five personality traits | OCEAN: Openness, Conscientiousness, Extraversion, Agreeableness, Neuroticism. |
| Maslow's hierarchy | Physiological, safety, belonging, esteem, self-actualization. Lower needs must be met before higher. |
| Milgram's obedience study | 65% of participants administered maximum shocks under authority pressure. Demonstrated the power of situational influence. |
| Asch's conformity study | Participants conformed to an obviously wrong answer about one-third of the time when a group unanimously gave that answer. |
| Zimbardo's Stanford prison experiment | Showed how quickly assigned roles shape behavior. Ethical criticisms led to modern research standards. |
| Fundamental attribution error | Tendency to attribute others' behavior to disposition rather than situation. |
| Bystander effect | Individuals are less likely to help when others are present. Diffusion of responsibility is a key cause. |
| Social facilitation vs social loafing | Facilitation: performance improves on easy tasks with others present. Loafing: reduced effort in group tasks. |
| Major depressive disorder | Persistent low mood, anhedonia, sleep/appetite changes, fatigue, feelings of worthlessness, and suicidality for ≥2 weeks. |
| Generalized anxiety disorder | Excessive, uncontrollable worry about multiple topics for ≥6 months with physical symptoms. |
| Schizophrenia | Psychotic disorder with positive (delusions, hallucinations) and negative (flat affect, avolition) symptoms. Typically emerges in late teens-20s. |
| Bipolar disorder | Alternating episodes of depression and mania (or hypomania in bipolar II). |
| Cognitive-behavioral therapy (CBT) | Short-term therapy that identifies and changes maladaptive thoughts and behaviors. First-line for many disorders. |
| Antidepressant classes | SSRIs (first-line), SNRIs, TCAs, and MAOIs. SSRIs take 4-6 weeks for full effect. |
How to Study psychology Effectively
Mastering psychology requires the right study approach, not just more hours. Research in cognitive science consistently shows three techniques produce the best learning outcomes. Active recall means testing yourself rather than re-reading. Spaced repetition reviews material at scientifically-optimized intervals. Interleaving mixes related topics rather than studying one in isolation. FluentFlash is built around all three.
When you study psychology guide with our FSRS algorithm, every term is scheduled for review at exactly the moment you're about to forget it. This maximizes retention while minimizing study time.
Why Passive Review Fails
The most common mistake students make is relying on passive review methods. Re-reading notes, highlighting textbook passages, and watching lecture videos feel productive. However, studies show these methods produce only 10-20% of the retention that active recall achieves.
Flashcards force your brain to retrieve information. This strengthens memory pathways far more than recognition alone. Pair this with spaced repetition scheduling, and you can learn in 20 minutes daily what would take hours of passive review.
Your 3-Week Study Plan
Start by creating 15-25 flashcards covering the highest-priority concepts. Review them daily for the first week using our FSRS scheduling. As cards become easier, intervals automatically expand from minutes to days to weeks.
You're always working on material at the edge of your knowledge. After 2-3 weeks of consistent practice, psychology concepts become automatic rather than effortful to recall.
Daily Study Steps
- Generate flashcards using FluentFlash AI or create them manually from your notes
- Study 15-20 new cards per day, plus scheduled reviews
- Use multiple study modes (flip, multiple choice, written) to strengthen recall
- Track your progress and identify weak topics for focused review
- Review consistently. Daily practice beats marathon sessions
- 1
Generate flashcards using FluentFlash AI or create them manually from your notes
- 2
Study 15-20 new cards per day, plus scheduled reviews
- 3
Use multiple study modes (flip, multiple choice, written) to strengthen recall
- 4
Track your progress and identify weak topics for focused review
- 5
Review consistently, daily practice beats marathon sessions
Why Flashcards Work Better Than Other Study Methods for psychology
Flashcards aren't just for vocabulary. They're one of the most research-backed study tools for any subject, including psychology. The reason comes down to how memory works.
When you read a textbook passage, your brain stores information in short-term memory. Without retrieval practice, it fades within hours. Flashcards force retrieval, which transfers information from short-term to long-term memory.
The Testing Effect
The testing effect is documented in hundreds of peer-reviewed studies. Students who study with flashcards consistently outperform those who re-read by 30-60% on delayed tests.
This isn't because flashcards contain more information. It's because retrieval strengthens neural pathways in ways that passive exposure cannot. Every time you successfully recall a psychology concept from a flashcard, you make that concept easier to recall next time.
FSRS Spaced Repetition Advantage
FluentFlash amplifies the testing effect with the FSRS algorithm, a modern spaced repetition system. It schedules reviews at mathematically-optimal intervals based on your actual performance.
Cards you find easy get pushed further into the future. Cards you struggle with come back sooner. Over time, this builds remarkable retention with minimal time investment.
Students using FSRS-based systems typically retain 85-95% of material after 30 days. This compares to roughly 20% retention from passive review alone. That's a 4-5x improvement in learning efficiency.