RESEARCH BASE

Search 3,721 documents across 34 fields — every claim tier-rated by evidence

3,721 Documents 34 Sections 43,625 Citations 34,852 Keywords Indexed 4 Evidence Tiers

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.

2,397 results for "System 1" — page 60 of 120

ZG_4_11 Verified Linguistics & Communication

ZG_4_11 — Forensic Linguistics: Language as Legal Evidence

Forensic linguistics is the application of linguistic knowledge, methods, and analysis to legal contexts — including criminal investigations, courtroom proceedings, legislation, and regulatory disputes. The field encompa

forensic linguistics authorship attribution stylometry idiolect LADO language analysis for determination of origin
ZG_4_14 Verified Linguistics & Communication

ZG_4_14 — Language Policy and Planning: Status, Corpus, and Acquisition Planning

Language policy and planning (LPP) refers to the deliberate efforts by governments, institutions, and communities to influence the status, form, and use of languages and language varieties within a society. Einar Haugen

language policy language planning status planning corpus planning acquisition planning Haugen
ZG_3_14 Verified Linguistics & Communication

ZG_3_14 — Register, Style, and Genre: Variation Across Social Contexts

Every competent language user commands a range of styles or registers — varieties of language associated with particular situations, purposes, and audiences. A doctor does not speak to patients the same way she speaks to

register style genre formality Halliday field
ZG_3_10 Verified Linguistics & Communication

ZG_3_10 — Semantics: Meaning, Reference, and Compositional Analysis

Semantics — the branch of linguistics concerned with meaning — investigates how words, phrases, and sentences encode and convey meaning, how meanings combine compositionally, and how linguistic meaning relates to the wor

semantics meaning reference sense denotation connotation
ZG_3_07 Verified Linguistics & Communication

ZG_3_07 — Animal Communication Systems: Birdsong, Whale Song, Primate Calls

Animal communication systems — the diverse repertoires of signals (vocal, visual, chemical, tactile, electrical) by which non-human species transmit information — have been the subject of intensive study both for their o

animal communication birdsong whale song primate vocalization bee dance vervet alarm calls
ZG_3_21 Credible Linguistics & Communication

ZG_3_21 — Tone Languages & Cognition

Tone languages — languages in which the pitch pattern of a syllable determines or changes its lexical meaning — are spoken by more than half of the world's population, though they are frequently overlooked in linguistic

tone language lexical tone Mandarin Chinese Yoruba Thai pitch
ZG_3_19 Credible Linguistics & Communication

ZG_3_19 — Sapir-Whorf Hypothesis: Modern Evidence

The Sapir-Whorf hypothesis — the idea that the structure of a language influences its speakers' perception and cognition — has undergone a dramatic rehabilitation since the 1990s after decades of near-total rejection in

Sapir-Whorf hypothesis linguistic relativity linguistic determinism Benjamin Lee Whorf Edward Sapir Lera Boroditsky
ZG_3_12 Verified Linguistics & Communication

ZG_3_12 — Metaphor Theory: Lakoff, Blending, and Figurative Language as Cognition

Metaphor theory — the study of how figurative language works and what it reveals about human thought — underwent a revolutionary transformation in the late 20th century with the publication of George Lakoff and Mark John

metaphor conceptual metaphor theory CMT Lakoff Johnson source domain
ZG_3_15 Verified Linguistics & Communication

ZG_3_15 — Philosophy of Linguistics: Chomsky Debate, Innateness, and Language as Instinct

The philosophy of linguistics investigates the foundational questions that underlie the scientific study of language: What is language? Is it fundamentally a biological organ, a social convention, a cognitive skill, or a

philosophy of linguistics Chomsky Universal Grammar UG nativism innateness
ZG_3_16 Credible Linguistics & Communication

ZG_3_16 — Sign Language Typology: Structure, Diversity, and the Linguistics of Gesture

Sign languages — natural human languages that use the visual-gestural modality rather than the vocal-auditory channel — are among the most powerful demonstrations that human linguistic capacity is not bound to speech. Th

sign language ASL BSL Stokoe phonology iconicity
ZG_3_13 Verified Linguistics & Communication

ZG_3_13 — Clicks and Rare Phonemes: Extreme Sounds of Human Speech

The human vocal tract is capable of producing an extraordinary range of speech sounds — far more than any single language uses. The International Phonetic Alphabet (IPA) catalogs over 100 consonant symbols and 28 vowel s

click consonant rare phonemes Khoisan Zulu Xhosa ejective
ZG_3_01 Verified Linguistics & Communication

ZG_3_01 — Sapir-Whorf Hypothesis — Does Language Shape Thought?

The Sapir-Whorf hypothesis — more precisely, the principle of linguistic relativity — proposes that the structure of a language influences or determines the habitual thought patterns, perception, and worldview of its spe

Sapir-Whorf linguistic relativity linguistic determinism Whorf Sapir Boroditsky
ZG_3_17 Credible Linguistics & Communication

ZG_3_17 — Historical Linguistics Methodology

Historical linguistics is the scientific study of how languages change over time, the genealogical classification of languages into families, and the reconstruction of unattested ancestral languages through systematic co

historical-linguistics comparative-method sound-change reconstruction proto-language language-families
ZG_3_18 Credible Linguistics & Communication

ZG_3_18 — Pragmatics and Speech Act Theory

Pragmatics — the study of how context contributes to meaning beyond what is encoded in the literal words of an utterance — and speech act theory — the analysis of language as a form of action — have been foundational to

pragmatics speech-act-theory john-austin john-searle grice conversational-implicature
J_3_01 Verified Ancient Technology

J_3_01 — Roman Engineering — Roads, Aqueducts, and Concrete Chemistry

Roman engineering represents one of the most thoroughly documented technological achievements of the ancient world, encompassing a road network of 85,000+ km, aqueduct systems delivering over one million cubic meters of

Roman concrete opus caementicium self-healing concrete Via Appia aqueducts Pantheon
J_3_02 Verified Ancient Technology

J_3_02 — Inca Road System and Khipu Communication

The Inca Empire (Tawantinsuyu, c. 1438-1533 CE) administered the largest empire in pre-Columbian America through an extraordinary infrastructure achieved without written language, wheels, or iron tools. The Qhapaq Ñan ro

Qhapaq Ñan Inca roads khipu quipu chasqui runner relay
J_3_15 Verified Ancient Technology

J_3_15 — Inca Engineering: Roads, Bridges, and Quipu

The Inca Empire (Tawantinsuyu — "Land of the Four Quarters"), at its peak in the late 15th and early 16th centuries CE, was the largest empire in pre-Columbian America — stretching approximately 4,000 km along the wester

Inca Tawantinsuyu quipu road bridge Qhapaq Ñan
J_3_17 Credible Ancient Technology

J_3_17 — Technological Regression: Civilizational Knowledge Loss and Recovery

Technological regression — the loss of previously achieved technical capabilities within a civilization or across civilizational transitions — is a well-documented phenomenon in the historical record, challenging linear

technological regression knowledge loss civilizational collapse dark age library destruction de-industrialization
J_3_16 Verified Ancient Technology

J_3_16 — Roman Concrete and Hydraulic Engineering: Opus Caementicium, Pozzolanic Chemistry, and Structural Legacy

Roman concrete (opus caementicium) is among the most consequential construction materials in architectural history, enabling structures that have endured for over 2,000 years — including the Pantheon dome (43.3 m span, c

Roman concrete opus caementicium pozzolana hydraulic cement Pantheon dome tobermorite
J_3_12 Verified Ancient Technology

J_3_12 — Ancient Bridge and Road Engineering: Transport Infrastructure

Roads and bridges — the technologies that made overland travel, trade, military movement, and communication possible — represent some of the most enduring and practically significant engineering achievements of the ancie

bridge road Roman Via Appia Inca Persian