100+ Free MCAT Psych/Soc Practice Questions

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A variable-ratio schedule of reinforcement (VR) produces which pattern of responding?

Moderate responding that stops immediately when reinforcement is removed

High, steady rate of responding with resistance to extinction

Slow, steady responding with pauses after reinforcement

Scalloped pattern with acceleration as the fixed interval approaches

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2026 Statistics

Key Facts: MCAT Psych/Soc Exam

59 questions in 95 minutes

MCAT Psych/Soc Section Format

AAMC, What's on the MCAT Exam (2024)

Scored 118–132 per section (median 125)

MCAT Section Score Scale

AAMC, MCAT Scoring (2024)

65% psychology, 30% sociology, 5% biology of behavior

MCAT Psych/Soc Content Distribution

AAMC, Psych/Soc Section Overview (2024)

10 passage-based sets (44 questions) + 15 discrete questions

MCAT Psych/Soc Question Format

AAMC, What's on the MCAT Exam (2024)

Added to the MCAT in 2015 as the fourth section of the revised exam

MCAT Psych/Soc Section History

AAMC, MCAT 2015 Exam Overview

Average accepted MD applicant total MCAT score is approximately 511.8 (~127.9/section)

Competitive MCAT Score Benchmark

AAMC, Facts: Applicants and Matriculants Data (2023–2024)

The MCAT Psych/Soc section assesses knowledge across 59 questions in 95 minutes, scored on a scale of 118–132 with a median of 125 (AAMC, 2024). It draws 65% from introductory psychology (sensation/perception, learning, memory, cognition, personality, psychological disorders, stress), 30% from introductory sociology (stratification, demographics, social structure, institutions, health disparities), and 5% from the biological bases of behavior (neurons, neurotransmitters, brain regions, endocrine system). Questions include 10 passage-based sets (4–6 questions each) and 15 discrete items, frequently presenting study designs and asking students to apply psychological and sociological concepts to interpret research findings. Strong performance requires command of named theorists (Freud, Erikson, Bandura, Maslow, Kohlberg, Piaget; Durkheim, Weber, Bourdieu, Merton, Goffman) and ability to evaluate research methodology.

Sample MCAT Psych/Soc Practice Questions

Try these sample questions to test your MCAT Psych/Soc exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1A researcher presents a tone at 1000 Hz and 60 dB to participants and asks them to detect when a second tone differs. According to Weber's Law, if the just noticeable difference (JND) for loudness at this intensity is 2 dB, what would the JND be if the baseline intensity were increased to 120 dB?

A.2 dB

B.4 dB

C.6 dB

D.The JND cannot be determined from Weber's Law alone

Explanation: Weber's Law states that the JND is a constant proportion (Weber fraction) of the stimulus magnitude. If the JND is 2 dB at 60 dB (a ratio of 1/30), then at 120 dB the JND would be 120/30 = 4 dB. The Weber fraction remains constant, so the absolute JND scales with stimulus intensity.

2During an experiment, participants view a display where a small dot appears to move even though it is stationary. The room is dark and no reference points exist. Which perceptual phenomenon best explains this observation?

A.Phi phenomenon

B.Stroboscopic motion

C.Autokinetic effect

D.Motion parallax

Explanation: The autokinetic effect is the perception of movement of a stationary point of light in a dark room without reference points. Without a stable visual frame, the brain misinterprets small eye movements as object movement. The phi phenomenon and stroboscopic motion both require alternating stimuli, while motion parallax involves depth cues from head movement.

3A dog that previously learned to salivate at the sound of a bell now also salivates when it hears a buzzer that resembles the bell's pitch. The dog has never been conditioned with the buzzer. This response is BEST described as:

A.Second-order conditioning

B.Stimulus generalization

C.Stimulus discrimination

D.Spontaneous recovery

Explanation: Stimulus generalization occurs when a conditioned response is elicited by stimuli similar (but not identical) to the original conditioned stimulus. Because the buzzer was never directly paired with food, the response is generalized from the bell. Second-order conditioning requires the buzzer itself to be paired with the bell, not just resembling it.

4Passage: A study examined memory consolidation. Participants learned a list of 20 words, then were randomly assigned to sleep, stay awake, or stay awake but rest quietly for 8 hours. Recall was tested afterward. The sleep group recalled significantly more words than both other groups. Based on the results, which process MOST likely accounts for the sleep group's superior recall?

A.Retroactive interference was reduced because new learning was minimal during sleep

B.The sleep group experienced more proactive interference

C.Sleep-dependent memory consolidation transferred information from working memory to sensory memory

D.The sleep group had higher arousal levels, facilitating encoding

Explanation: Sleep protects consolidated memories partly by limiting retroactive interference — new waking experiences that would otherwise compete with and disrupt previously learned material. Sleep also actively promotes synaptic consolidation and hippocampal replay. Working memory is not converted to sensory memory during sleep, and higher arousal is not characteristic of sleep.

5Which of the following memory tasks would MOST likely be impaired in a patient with bilateral hippocampal damage (similar to patient H.M.)?

A.Recognizing familiar faces seen before the injury

B.Learning a new mirror-drawing skill over repeated sessions

C.Forming new declarative memories for daily events

D.Riding a bicycle learned in childhood

Explanation: The hippocampus is critical for the formation of new explicit (declarative) memories, including episodic memories of daily events. Patient H.M. famously could not form new declarative memories after his hippocampectomy. Procedural skills like mirror drawing and riding a bicycle, which rely on the basal ganglia and cerebellum, are spared, as are remote memories stored before the damage.

6Passage: Researchers conducted a study where participants were shown a list of 30 words presented one at a time. They were then asked to recall as many words as possible. A consistent finding was that participants recalled a disproportionately high number of words from the beginning and end of the list compared to the middle. The enhanced recall of words at the BEGINNING of the list is attributed to which memory phenomenon?

A.Recency effect

B.Primacy effect

C.Spacing effect

D.Chunking

Explanation: The primacy effect refers to better recall of items presented at the beginning of a list, attributed to their transfer into long-term memory because more rehearsal time was available. The recency effect explains better recall of the last few items, which remain in working (short-term) memory at the time of retrieval.

7A child watches an adult punching a Bobo doll aggressively and then, when placed alone with the doll, imitates the aggressive behavior. The child was never directly rewarded or punished for the behavior. This scenario BEST illustrates which learning theory?

A.Classical conditioning

B.Operant conditioning

C.Social learning theory (Bandura)

D.Insight learning

Explanation: Bandura's social learning theory (observational learning) holds that behavior can be acquired through observation and modeling without direct reinforcement. The child's imitation of the adult's behavior with the Bobo doll is the classic demonstration. This differs from operant conditioning, which requires direct consequences.

8According to Freud's psychodynamic theory, a person who is deeply hostile toward a colleague but instead acts exceptionally kind to that colleague is using which defense mechanism?

A.Projection

B.Reaction formation

C.Rationalization

D.Displacement

Explanation: Reaction formation is a defense mechanism in which an unacceptable impulse is converted into its opposite at the conscious level. The person transforms unconscious hostility into overt kindness. Projection involves attributing one's own unacceptable impulses to others, while displacement redirects impulses toward a safer target.

9The Big Five personality model (OCEAN) is considered more scientifically supported than older typological theories primarily because it:

A.Is based on Freudian psychodynamic constructs

B.Uses factor analysis of large samples to identify stable trait dimensions

C.Assigns each person to one of five fixed personality types

D.Was derived from clinical observations of psychiatric patients

Explanation: The Big Five (Openness, Conscientiousness, Extraversion, Agreeableness, Neuroticism) was developed using factor analysis across large, diverse samples, yielding reliable and cross-culturally replicated trait dimensions. It describes traits as continuous dimensions, not discrete types, and is empirically rather than clinically derived.

10Passage: A longitudinal study followed 500 adults over 20 years, measuring their levels of life satisfaction and personality traits annually. Results showed that individuals high in neuroticism reported consistently lower life satisfaction across all time points, while those high in conscientiousness reported steadily increasing satisfaction over the same period. What research design feature provides the STRONGEST evidence that neuroticism causes low life satisfaction, rather than merely correlating with it?

A.The large sample size of 500 participants

B.The longitudinal design spanning 20 years

C.Experimental manipulation with random assignment to personality conditions

D.Using standardized personality measures at each time point

Explanation: Only experimental manipulation with random assignment allows causal inference by controlling for confounding variables. Longitudinal correlational data can show temporal precedence (an important causal criterion) but cannot rule out third variables. The study as described is observational, so none of the given design features actually establish causation — but among the options, random assignment is the design element that would provide the strongest causal evidence.

About the MCAT Psych/Soc Exam

The MCAT Psychological, Social, and Biological Foundations of Behavior section (commonly called Psych/Soc) is the fourth section of the MCAT exam and consists of 59 multiple-choice questions in 95 minutes. It draws from introductory psychology (65%), introductory sociology (30%), and introductory biology as it relates to behavior (5%). Questions appear in passage-based sets and as discrete standalone items. The section was added to the MCAT in 2015 to reflect medicine's recognition that behavioral and social factors are major determinants of patient health.

Questions

59 scored questions

Time Limit

95 minutes

Passing Score

Scored 118–132 (median 125); combined total MCAT scores range from 472–528

Exam Fee

$330–$375 total MCAT fee (varies by registration date; AAMC Fee Assistance Program available) (Association of American Medical Colleges (AAMC))

MCAT Psych/Soc Exam Content Outline

65%

Introductory Psychology

Sensing, perceiving, and interacting with the world — Weber's Law, signal detection theory, memory systems (declarative, procedural, working memory), learning (classical conditioning, operant conditioning, observational learning), cognition and problem solving, consciousness and sleep, motivation (Maslow's hierarchy, intrinsic/extrinsic), emotion theories (James-Lange, Cannon-Bard, Schachter-Singer), stress and coping, personality theories (Freud, trait theories, Big Five), psychological disorders (DSM-5 classification, diathesis-stress model), attitudes and behavior change (ELM, cognitive dissonance), and social psychological phenomena (conformity, obedience, group dynamics)

30%

Introductory Sociology

Social structure and stratification — social institutions, roles, statuses (ascribed vs. achieved), role conflict/strain, sociological perspectives (structural functionalism, conflict theory, symbolic interactionism), culture and socialization (subcultures, resocialization, looking-glass self, Goffman's dramaturgical model), social stratification (Weber's three dimensions: class/status/power, life chances), social mobility, demographics and the demographic transition, health disparities, medicalization, sick role, intersectionality, and the social determinants of health

Biological Bases of Behavior

Action potentials and synaptic transmission, major neurotransmitters and their functions (dopamine, serotonin, GABA, acetylcholine, norepinephrine), key brain regions (amygdala, hippocampus, prefrontal cortex, Broca's/Wernicke's areas, basal ganglia, cerebellum, brainstem/RAS), the autonomic nervous system (sympathetic vs. parasympathetic), the HPA axis and cortisol stress response, and pharmacological mechanisms (SSRIs, benzodiazepines, antipsychotics)

How to Pass the MCAT Psych/Soc Exam

What You Need to Know

Passing score: Scored 118–132 (median 125); combined total MCAT scores range from 472–528
Exam length: 59 questions
Time limit: 95 minutes
Exam fee: $330–$375 total MCAT fee (varies by registration date; AAMC Fee Assistance Program available)

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

MCAT Psych/Soc Study Tips from Top Performers

1Master all named theorists and their theories cold — Piaget's stages, Erikson's stages, Kohlberg's levels, Freud's defense mechanisms, and Bourdieu's capitals are high-yield and appear in almost every official practice test.

2Build a systems-level understanding of neurotransmitters: know dopamine (reward/Parkinson's), serotonin (mood/SSRIs), GABA (inhibition/benzodiazepines), acetylcholine (memory/Alzheimer's), and norepinephrine (arousal), and what disorders or drugs affect each.

3Practice research methods questions aggressively — the section frequently tests correlation vs. causation, internal validity threats (confounds, demand characteristics, attrition), and experimental design terminology (IV, DV, control groups, blinding).

4Use the three major sociological frameworks (structural functionalism, conflict theory, symbolic interactionism) as a lens to categorize passage content — identifying which framework applies often determines the correct answer for sociology questions.

5Complete all four of the AAMC's official full-length practice exams, especially the free MCAT Sample Test, since AAMC-written questions reflect the exact style, terminology, and reasoning level of the real exam better than any third-party resource.

Frequently Asked Questions

How many questions are on the MCAT Psych/Soc section and how long is it?

The MCAT Psychological, Social, and Biological Foundations of Behavior section has 59 multiple-choice questions in 95 minutes. It includes 10 passage-based sets of 4–6 questions each (approximately 44 questions) and 15 discrete, free-standing questions.

What is the score range for the MCAT Psych/Soc section?

Each MCAT section, including Psych/Soc, is scored on a scale of 118–132. The median score for all test-takers is 125. There is no single passing score — medical schools set their own competitive thresholds; the average accepted MD applicant scores approximately 511 total (about 127.75 per section).

What percentage of the Psych/Soc section covers psychology versus sociology versus biology?

According to the AAMC, the section draws 65% from introductory psychology, 30% from introductory sociology, and 5% from introductory biology as it pertains to behavior (neurons, neurotransmitters, and brain regions relevant to mental processes and behavior).

What named theorists and theories are most important for the MCAT Psych/Soc section?

Psychology: Piaget (cognitive development), Erikson (psychosocial stages), Freud (defense mechanisms), Bandura (social learning), Maslow (hierarchy of needs), Kohlberg (moral development), Pavlov/Skinner (conditioning), Seligman (learned helplessness), James-Lange/Cannon-Bard/Schachter-Singer (emotion theories), Weber (Weber's Law), Beck (cognitive triad). Sociology: Durkheim (suicide typology, anomie), Weber (stratification, life chances), Bourdieu (cultural capital, habitus), Merton (strain theory), Goffman (dramaturgy, stigma, total institution), Cooley (looking-glass self).

How should I approach passage-based questions on the MCAT Psych/Soc section?

MCAT Psych/Soc passages frequently describe study designs (experiments, surveys, longitudinal studies) and present results. First, identify the study design and key variables (IV, DV, controls). Then map the passage findings to relevant psychological or sociological concepts. Many questions test whether you can apply a concept to an unfamiliar scenario rather than simple recall. Look for research methods questions (internal validity, confounds, causation vs. correlation) in every passage.

How is the MCAT Psych/Soc section scored, and when do scores become available?

The section is scaled to a score from 118–132 using an equating process that accounts for differences in test difficulty across administrations. Raw scores (number correct) are converted to scaled scores; there is no penalty for wrong answers. MCAT scores are typically released approximately 30–35 days after the test date during most of the testing year.