Practice Test 11 - MCAT Psychological, Social, & Biological Foundations of Behavior

20 questions. Answer them in any order, then submit to see your score and every explanation.

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1. A case-based evaluation (structured interviews plus administrative verification) examined intragenerational mobility among adults who changed occupational fields between ages 25 and 40. Participants were grouped by whether their field switch required a new licensure exam (e.g., health technician) versus no licensure (e.g., retail to logistics). The primary outcome was upward tier movement within 5 years of the switch: Switch type | Upward tier movement within 5 years (%) Licensure required | 22 No licensure required | 35 Based on the scenario, which factor most likely influences intragenerational mobility here?
2. A cognitive scientist tests serial position effects in free recall. Participants hear a list of 20 words at 1 word/sec and immediately recall as many as possible. In one condition, a 30-second math distractor is inserted before recall; in the other, recall begins immediately. Which outcome would be expected given the described memory context?
3. The resting membrane potential of a neuron is approximately -70 mV. This steady state is primarily maintained by the movement of which ions?
4. A researcher observes two children during free play. Child 1 (age 2) uses a block as a "phone" and pretends to call a caregiver. Child 2 (age 2) stacks blocks repetitively but does not use them to represent other objects. Both children have similar motor skills. Which inference is most consistent with the observed difference?
5. A consumer is deciding whether to buy an extended warranty for a new appliance. The salesperson first asks, "Would you pay $240 to protect it for 3 years?" After the consumer hesitates, the salesperson reframes: "Most customers add it for just $20 a month." The consumer reports that $20 per month "sounds manageable," even though the total cost is unchanged. Which decision outcome is most consistent with framing effects in this scenario?
6. A media-monitoring project assessed advertisements shown during prime-time programming on a major streaming service. The ads disproportionately portrayed older adults as confused about technology and dependent on younger family members, while rarely depicting older adults as employed or socially active. In a subsequent survey, viewers rated the appropriateness of assigning older employees to technology-related tasks in a workplace vignette. The researchers sampled viewers across age groups and controlled for respondents' prior contact with older coworkers. Which effect is most consistent with the media portrayal described?
7. An observational study compares helping behavior in two neighborhoods. In Neighborhood A, residents frequently interact repeatedly (same people at stores, parks, and transit). In Neighborhood B, residents report fewer repeated encounters with the same individuals. When a staged event occurs (a person drops groceries), helping is more common in Neighborhood A. Interpreting this through an evolutionary lens, which biological process is most consistent with the observed behavior?
8. Researchers study vicarious reinforcement in a classroom. Students watch a brief live demonstration in which a peer uses a new problem-solving strategy to complete a puzzle. In one condition, the teacher immediately praises the peer and gives a small token; in another, the peer receives no reaction. Students then attempt similar puzzles individually. The puzzles can be solved without the demonstrated strategy. Based on observational learning principles, which conclusion about social learning can be drawn from this scenario?
9. At a concert, a section of the crowd begins chanting insults at staff. The behavior is most common where lighting is low and many attendees wear identical merchandise that makes individuals harder to distinguish. The venue manager suspects deindividuation. Which outcome is most consistent with deindividuation?
10. A university considers replacing a single SAT-like score with a profile report aligned to Sternberg's Triarchic Theory. In a pilot, applicants complete three brief tasks: a rule-based logic test, an open-ended story prompt scored for originality, and a scenario-based planning task (e.g., resolving a roommate conflict with constraints). Which admissions policy would be most consistent with the implications of Sternberg's theory?
11. A hospital unit tests how team consensus affects clinical decisions. During a meeting, 7 nurses discuss whether to report a minor medication near-miss. The charge nurse (a peer, not a supervisor) immediately states, "We all agree it's not worth documenting," and the rest quickly voice agreement. One nurse privately thinks reporting is important but remains silent and later signs the group's decision. Which outcome would be expected given the described groupthink dynamic?
12. A county assessed why two rural areas with similar median income differed in vaccination uptake (N = 1,000). Area A had multiple active community organizations that coordinated transportation and disseminated clinic schedules through trusted local contacts. Area B had fewer organizations; residents reported uncertainty about where to go and difficulty arranging rides. Clinic supply and eligibility criteria were identical. Area A had higher uptake and fewer vaccine-preventable illness visits. Based on the vignette, which conclusion is most consistent with the concept of social capital and its relationship to health inequality?
13. In a negotiation simulation, participants receive intranasal oxytocin or placebo before bargaining over splitting a bonus with a new coworker. When the coworker makes a small concession early, the oxytocin group is more likely to reciprocate with a cooperative counteroffer; when the coworker opens with a highly exploitative demand, the oxytocin group is no more cooperative than placebo. Which biological process is most consistent with the observed behavior?
14. Researchers examined the effects of a dopamine D2 receptor antagonist on effort-based decision-making. Participants completed a task choosing between a low-effort/low-reward option and a high-effort/high-reward option while undergoing fMRI. The nucleus accumbens (ventral striatum) was the primary region of interest due to its involvement in reward valuation and motivated behavior. Relative to placebo, the antagonist group selected the high-effort option less frequently, particularly when reward magnitude was moderate rather than large, and showed reduced ventral striatal BOLD response during reward anticipation. Which behavior change would be expected following neurotransmitter modulation described above?
15. In a college course, four students are randomly assigned to a group presentation. At the first meeting, they agree on a norm: everyone will speak for an equal amount of time, and drafts must be shared 48 hours before rehearsal. Two students consistently follow the schedule, one student contributes high-quality content but sends it late, and the fourth student speaks very little during meetings. As the deadline approaches, the group begins to give more decision-making influence to the two students who meet the deadlines, and they gently interrupt the late contributor to keep the agenda moving. After the presentation, the group reports that the equal-speaking rule mattered less than the draft-sharing rule for keeping the project organized. Which aspect of group dynamics is most clearly shaping participation in this group?
16. A rural province saw rising smartphone ownership after low-cost imported devices became widely available. Residents increasingly used messaging apps to coordinate seasonal work in distant cities and to compare wages across employers. Local officials reported that short-notice migration for temporary jobs became more common. Central concept: transnational information flows and labor mobility. Which outcome would be expected as a result of this globalization-related change?
17. A behavioral economics study tests loss aversion using two equivalent options. Participants choose between: Option 1: Keep a guaranteed $40 bonus. Option 2: A 50% chance to keep $80 and a 50% chance to keep $0. In a separate condition with equal expected value, the same outcomes are presented as losses from a $80 endowment: Option 1: Lose $40 for sure. Option 2: A 50% chance to lose $80 and a 50% chance to lose $0. The researchers observe more risk-seeking choices in the loss-framed condition. Based on the vignette, which outcome is most consistent with loss aversion?
18. While the classic secularization thesis predicted a straightforward decline of religion with modernization, some sociologists like Peter Berger later revised their views. They argued that modernization does not eliminate religion but instead creates a 'pluralistic situation' where numerous religious and secular worldviews coexist, forcing religions to 'market' themselves. This revised view suggests that a key effect of modernization on religion is:
19. A speech-language clinic reviews recordings from a 30-month-old who says "I goed to park" and "two foots," despite also producing some correct irregular forms on other occasions. The clinician frames this pattern using stages of language acquisition, highlighting developmental shifts in how children represent grammatical rules. Which interpretation best explains the child's errors within this stage-based framework?
20. A clinic system examines whether population aging is associated with changes in appointment types. In two neighborhoods with similar total population size, Neighborhood A has a higher proportion of residents 65+. The system observes more visits coded as medication management and mobility-related concerns in Neighborhood A, while acute minor-injury visits are similar across neighborhoods. Which statement best reflects the impact of age structure on healthcare utilization patterns?

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