RESEARCH BASE
Search 3,721 documents across 34 fields — every claim tier-rated by evidence
3,633 are the core, quality-scored corpus (34 lettered sections — see How We Work); the remaining 88 are cross-corpus synthesis documents (68 InterDocs, 12 Connections, 8 Theories) also indexed here.
3,676 results for "Y haplogroup Q" — page 84 of 184
O_5_15 — Climate Stability Mechanisms: Feedbacks, Tipping Points, and Earth System Resilience
Earth's climate has maintained conditions hospitable to life for approximately 4 billion years despite dramatic variations in solar luminosity (the Sun was ~30% fainter in the Archean than today — the Faint Young Sun par
O_5_17 — Deep Time: Geological Chronology and the Scale of Earth History
Deep time is the concept that Earth's geological history extends across approximately 4.54 billion years — a scale so vast that human civilization occupies less than 0.00001% of it. First articulated by James Hutton in 1
O_5_02 — Soil Biomes and Underground Ecosystems
Beneath every terrestrial landscape lies one of Earth's most complex and least understood ecosystems — the soil biome, a living matrix containing an estimated 25% of all species on Earth (Decaëns et al., 2006) and proces
T_4_02 — Forensic Psychology and the Criminal Mind
Forensic psychology applies psychological science to legal and criminal justice systems — encompassing criminal behavior, courtroom processes, investigative methods, risk assessment, and rehabilitation.
T_4_13 — Political Psychology: Ideology, Moral Foundations, and the Psychology of Political Belief
Political psychology — the scientific study of the psychological bases of political behavior, beliefs, and ideologies — investigates why people hold the political views they do, how they process political information, an
T_4_16 — Impostor Phenomenon & Self-Doubt Psychology
The impostor phenomenon (IP) describes the internal experience of believing that one's achievements are undeserved and that one will eventually be exposed as a fraud, despite objective evidence of competence. First descr
T_4_09 — Psychology of Power and Authority
The psychology of power and authority examines how social hierarchy, dominance, obedience, and institutional authority shape human behavior. Two landmark experiments defined the field: Stanley Milgram's obedience studies
T_4_06 — Cross-Cultural Psychology
Cross-cultural psychology investigates how culture shapes human thought, emotion, and behavior — and which psychological processes are universal versus culturally specific. The field distinguishes between etic approaches
T_4_21 — Mass Formation Psychology
Mass formation describes a psychological phenomenon in which large populations become fixated on a single narrative, willing to sacrifice individual freedom and rational judgment for the perceived security of collective
T_4_07 — Social Identity Theory and Prejudice
Social Identity Theory (SIT) explains how individuals derive self-concept from group memberships and how this drives intergroup behavior — including prejudice, discrimination, and conflict. Developed by Henri Tajfel and
T_4_03 — Group Psychology and Crowd Behavior
Group psychology examines how individuals' thoughts, feelings, and behaviors are influenced by the presence and actions of others — from small groups to mass crowds. Foundational research includes Gustave Le Bon's The Cr
T_4_14 — Social Comparison Theory: Festinger, Upward/Downward Comparison, and Social Media
Social comparison theory, introduced by Leon Festinger (1954), proposes that humans have a fundamental drive to evaluate their abilities and opinions — and in the absence of objective, non-social standards, they do so by
T_4_08 — Behavioral Economics and Nudge Theory
Behavioral economics integrates psychology into economic models, challenging the rational agent (homo economicus) assumption of classical economics. The field was established by Daniel Kahneman and Amos Tversky's Prospec
T_4_18 — Forensic Psychology: Criminal Behavior, Assessment, and Justice
Forensic psychology — the application of psychological science to legal and criminal justice systems — encompasses criminal profiling, eyewitness testimony reliability, risk assessment of violence and recidivism, compete
T_4_10 — Conformity and Obedience: Asch, Milgram, and the Social Psychology of Compliance
The study of conformity (adjusting one's behavior or beliefs to match a group) and obedience (following directives from an authority figure) produced some of the most famous — and disturbing — experiments in the history
T_4_20 — Cult Psychology & Thought Reform
Cult psychology examines the mechanisms by which high-demand groups — religious, political, therapeutic, or commercial — recruit, indoctrinate, retain, and sometimes harm members through systematic thought reform techniq
T_4_15 — The Psychology of Cooperation and Trust: Game Theory, Reciprocity, and Institutions
Cooperation — acting in ways that benefit others at a cost to oneself — is both theoretically puzzling (why would natural selection favor organisms that sacrifice fitness for others?) and practically essential (every hum
T_2_03 — Attachment Theory — Bowlby, Ainsworth & Social Bonds
Attachment theory, developed by John Bowlby (1958, 1969) and empirically validated by Mary Ainsworth (1978), proposes that humans are biologically predisposed to form close emotional bonds with caregivers — and that the
T_2_08 — Neuropsychology and Brain Damage
Neuropsychology studies the relationship between brain structure/function and behavior — using patterns of cognitive impairment following brain damage to infer how the intact brain organizes mental processes.
T_2_07 — Psychology of Addiction
Addiction — compulsive engagement with a substance or behavior despite harmful consequences — is now understood as a chronic brain disorder involving neuroplastic changes in reward, motivation, memory, and executive cont
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