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.
13 results for "upward comparison"
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
A_4_28 — Nihon Shoki: Japan's Chronicle of Gods and Sovereigns
The Nihon Shoki (日本書紀, "Chronicles of Japan," also known as Nihongi) is the second-oldest extant Japanese historical text (after the Kojiki, 712 CE), completed in 720 CE under the supervision of Prince Toneri (舎人親王, 676–
ZG_2_06 — Historical Linguistics and Language Family Classification
Historical linguistics is the scientific study of how languages change over time, how they are related to each other, and how they can be grouped into language families descended from common ancestors. The discipline's c
ZG_2_11 — Language Isolates: Basque, Ainu, Sumerian, Burushaski
A language isolate is a language that has no demonstrable genealogical (genetic) relationship with any other known language — it stands alone, unrelated to any language family, a sole surviving branch on the tree of huma
Q_1_08 — Observable Universe and Cosmic Web
The observable universe has a diameter of ~93 billion light-years (comoving distance) and contains an estimated 2 trillion galaxies (Conselice et al. 2016), ~10²⁴ stars, and ~10⁸⁰ atoms. But its most striking feature is
ZC_1_14 — Social Media Psychology
Social media usage is now near-universal among adolescents and young adults in developed nations (95% of US teens, Pew 2023), making its psychological effects one of the most debated topics in contemporary psychology. Th
ZC_1_06 — Social Identity & Group Dynamics — Tajfel, Sherif
Social identity theory and its predecessor, realistic conflict theory, provide the dominant scientific frameworks for understanding how humans form group identities and how intergroup conflict arises.
L_2_05 — Americas Peopling Genetics
The peopling of the Americas is one of the clearest cases where ancient DNA and archaeology have converged to overturn an older narrative. The core model now favored by genetics is that the main ancestry of Indigenous Am
F_1_09 — Austronesian Expansion: The Greatest Maritime Migration
The Austronesian expansion is the most extensive pre-modern maritime migration in human history, covering over half the globe — from Taiwan to Madagascar, Easter Island, Hawaii, and New Zealand — over approximately 5,000
ZA_5_08 — Atomic Clocks: The Most Precise Instruments Ever Built
Atomic clocks — timekeeping devices that use the invariant frequencies of atomic transitions as their oscillation reference — are the most precise measuring instruments ever constructed, achieving fractional frequency un
G_3_27 — Morphic Resonance vs Epigenetic Inheritance: A Rigorous Comparison
For decades, Rupert Sheldrake's morphic resonance hypothesis — that organisms inherit form and behavior through a non-material "morphic field" carrying patterns from past similar systems — has been the most prominent fri
B_1_20 — Trickster Deities: Cross-Cultural Comparison
The trickster is among the most widespread deity archetypes in world mythology, appearing independently across every inhabited continent. Characterized by cunning, boundary-crossing, shapeshifting, and the subversion of
B_1_19 — Love and Beauty Deities: Cross-Cultural Comparative Analysis
Deities governing love, beauty, fertility, and sexuality appear across virtually every documented religious tradition, often combining erotic power with martial or funerary functions that modern Western categories would
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