In linguistics, evidentiality[1][2] is, broadly, the indication of the nature of evidence for a given statement; that is, whether evidence exists for the statement and if so, what kind. An evidential (also verificational or validational) is the particular grammatical element (affix, clitic, or particle) that indicates evidentiality. Languages with only a single evidential have had terms such as mediative, médiatif, médiaphorique, and indirective used instead of evidential.
Evidentiality may be direct or indirect: direct evidentials are used to describe information directly perceived by the speaker through vision as well as other sensory experiences while indirect evidentials consist of the other grammatical markers for evidence such as quotatives and inferentials.[3]
Introduction
All languages have some means of specifying the source of information. European languages (such as Germanic and Romance languages) often indicate evidential-type information through modal verbs (Spanish: deber de, Dutch: zouden, Danish: skulle, German: sollen) or other lexical words (adverbials, English: reportedly) or phrases (English: it seems to me).
Some languages have a distinct grammatical category of evidentiality that is required to be expressed at all times. The elements in European languages indicating the information source are optional and usually do not indicate evidentiality as their primary function; thus, they do not form a grammatical category. The obligatory elements of grammatical evidentiality systems may be translated into English, variously, as I hear that, I see that, I think that, as I hear, as I can see, as far as I understand, they say, it is said, it seems, it seems to me that, it looks like, it appears that, it turns out that, alleged, stated, allegedly, reportedly, obviously, etc.
Alexandra Aikhenvald (2004)[4] reports that about a quarter of the world's languages have some type of grammatical evidentiality. She also reports that, to her knowledge, no research has been conducted on grammatical evidentiality in sign languages. Laura Mazzoni has since conducted a preliminary study on evidentiality in Italian Sign Language (LIS).[5]
Many languages with grammatical evidentiality mark evidentiality independently from tense-aspect or epistemic modality, which is the speaker's evaluation of the information, i.e. whether it is reliable, uncertain, probable.
Grammatical evidentiality may be expressed in different forms depending on the language, such as through affixes, clitics, or particles. For example, Japanese has inferential evidentials and reportive markers that are realized as suffixes on a variety of mainly verbal predicates, and as grammaticalized nouns.[6] In another example, Eastern Pomo has four evidential suffixes that are added to verbs: -ink’e (nonvisual sensory), -ine (inferential), -·le (hearsay), and -ya (direct knowledge).
"must have burned" [speaker saw circumstantial evidence]
hearsay (reportative)
pʰa·békʰ-·le
"burned, they say" [speaker is reporting what was told]
direct knowledge
pʰa·bék-a
"burned" [speaker has direct evidence, probably visual]
The use of evidentiality has pragmatic implications in languages that do not mark evidentiality distinctly from epistemic modality. For example, a person who makes a false statement qualified as a belief may be considered mistaken; a person who makes a false statement qualified as a personally observed fact will probably be considered to have lied.
In some languages, evidential markers also serve other purposes, such as indicating the speaker's attitude towards, or belief in, the statement. Usually a direct evidential marker may serve to indicate that the speaker is certain about the event stated. Using an indirect evidential marker, such as one for hearsay or reported information, may indicate that the speaker is uncertain about the statement, or doesn't want to take responsibility for its truth. A "hearsay" evidential may then have the undertone of "that's what they say; whether or not it's true is nothing I can take responsibility for". In other languages, this is not the case. Therefore one should distinguish between such evidential markers that only mark source of knowledge, and such evidential markers that serve other functions, such as marking epistemic modality.
Evidentials can also be used to "deflect culpability"[8] in a statement. In his dissertation on Nanti, a Peruvian Amazonian language, Lev Michael refers to an example in which a young girl is accidentally burned, and a community member questions her mother about how it happened. Her mother uses the evidential marker ka which translates to "presumably," to deflect responsibility for the girl's mistake.[8]
Some languages are borderline cases. For example, the Romance languages are mostly like English in not having grammatical evidentiality, but do have a conditional mood which has three uses: conditions, future-in-the-past, and hearsay. Thus in journalistic French, there is frequently a distinction between Il a reconnu sa culpabilité and Il aurait reconnu sa culpabilité: both translate to "He has admitted his guilt," but with an implication of certainty with the first, and the idea of "reportedly" with the second. The same happens in Spanish (Él ha reconocido su culpa vs. Él habría reconocido su culpa) and in Portuguese (Ele reconheceu sua culpa vs. Ele teria reconhecido sua culpa).
Alexandra Aikhenvald identified five semantic categories that recurrently occur across languages of the world:[9][10]
Visual Sensory
Non-Visual Sensory
Inferentials
Hearsay Reportatives
Quotative Reportatives
No language has been reported to have special forms for smell, taste or feeling although these may be covered by non-visual evidentials.[11][12]
The first type (indirectivity) indicates whether evidence exists for a given statement, but does not specify what kind of evidence. The second type (evidentiality proper) specifies the kind of evidence (such as whether the evidence is visual, reported, or inferred).
Indirectivity (type I)
Indirectivity (also known as inferentiality) systems are common in Uralic and Turkic languages. These languages indicate whether evidence exists for a given source of information; thus, they contrast direct information (reported directly) and indirect information (reported indirectly, focusing on its reception by the speaker/recipient). Unlike the other evidential "type II" systems, an indirectivity marking does not indicate information about the source of knowledge: it is irrelevant whether the information results from hearsay, inference, or perception; however, some Turkic languages distinguish between reported indirect and non-reported indirect, see Johanson 2003, 2000 for further elaboration. This can be seen in the following Turkish verbs:
In the word geldi, the unmarked suffix -di indicates past tense. In the second word gelmiş, the suffix -miş also indicates past tense but indirectly. It may be translated into English with the added phrases 'obviously', 'apparently' or 'as far as I understand'. The direct past tense marker -di is unmarked (or neutral) in the sense that whether or not evidence exists supporting the statement is not specified.
Evidentiality (type II)
The other broad type of evidentiality systems ("type II") specifies the nature of the evidence supporting a statement. These kinds of evidence can be divided into such categories as:
Sensory
Visual
Non-visual
Inferential
Assumed
Reportative
Hearsay
Quotative
Sensory evidentials can often be divided into different types. Some languages mark visual evidence differently from nonvisual evidence that is heard, smelled, or felt. The Kashaya language has a separate auditory evidential.
An inferential evidential indicates information was not personally experienced but was inferred from indirect evidence. Some languages have different types of inferential evidentials. Some of the inferentials found indicate:
Information inferred by direct physical evidence
Information inferred by general knowledge
Information inferred/assumed because of speaker's experience with similar situations
Past deferred realization
In many cases, different inferential evidentials also indicate epistemic modality, such as uncertainty or probability (see epistemic modality below). For example, one evidential may indicate that the information is inferred but of uncertain validity, while another indicates that the information is inferred but unlikely to be true.
Reportative evidentials indicate that the information was reported to the speaker by another person. A few languages distinguish between hearsay evidentials and quotative evidentials. Hearsay indicates reported information that may or may not be accurate. A quotative indicates the information is accurate and not open to interpretation, i.e., is a direct quotation. An example of a reportative from Shipibo (-ronki):
Aronkiai.
a-
do-
ronki-
REPRT-
ai
INCOMPL
a- ronki- ai
do- REPRT- INCOMPL
"It is said that she will do it." / "She says that she will do it."[15]
Typology of evidentiality systems
The following is a brief survey of evidential systems found in the languages of the world as identified in Aikhenvald (2004).[4] Some languages only have two evidential markers while others may have six or more. The system types are organized by the number of evidentials found in the language. For example, a two-term system (A) will have two different evidential markers; a three-term system (B) will have three different evidentials. The systems are further divided by the type of evidentiality that is indicated (e.g. A1, A2, A3, etc.). Languages that exemplify each type are listed in parentheses.
inferential, anticipation, performative, deduction, induction, hearsay, direct observation, opinion, assumed, "to know by culture", "to know by internal" (Lojban)[18]
Evidentiality marking and other categories
Evidential systems in many languages are often marked simultaneously with other linguistic categories.[19] For example, according to Aikhenvald, a given language may use the same element to mark both evidentiality and mirativity, i.e., unexpected information. She claims that this is the case of Western Apache where the post-verbal particle lą̄ą̄ primarily functions as a mirative but also has a secondary function as an inferential evidential. This phenomenon of evidentials developing secondary functions, or other grammatical elements such as miratives and modal verbs developing evidential functions is fairly widespread. The following types of mixed systems have been reported:
evidentiality with modality (this is discussed in the next section below)
In addition to the interactions with tense, modality, and mirativity, the usage of evidentials in some languages may also depend on the clause type, discourse structure, and/or linguistic genre.
However, despite the intersection of evidentiality systems with other semantic or pragmatic systems (through grammatical categories), Aikhenvald believes that several languages do mark evidentiality without any grammatical connection to these other semantic/pragmatic systems. More explicitly stated, she believes that there are modal systems which do not express evidentiality, and evidential systems which do not express modality. Likewise, there are mirative systems which do not express evidentiality, and evidential systems which do not express mirativity.
Aside from those, egophoricity may interact with evidentiality as well.[20]
Evidentiality is often considered to be a sub-type of epistemic modality (see, for example, Palmer 1986, Kiefer 1994). Other linguists consider evidentiality (marking the source of information in a statement) to be distinct from epistemic modality (marking the degree of confidence in a statement). An English example:
I see that he is coming. (evidential)
I know that he is coming. (epistemic)
For instance, de Haan[22][23][24] states that evidentiality asserts evidence while epistemic modality evaluates evidence and that evidentiality is more akin to a deictic category marking the relationship between speakers and events/actions (like the way demonstratives mark the relationship between speakers and objects; see also Joseph 2003). Aikhenvald (2003)[2] finds that evidentials may indicate a speaker's attitude about the validity of a statement but this is not a required feature of evidentials. Additionally, she finds that evidential-marking may co-occur with epistemic-marking, but it may also co-occur with aspectual/tense or mirative marking.
Considering evidentiality as a type of epistemic modality may only be the result of analyzing non-European languages in terms of the systems of modality found in European languages. For example, the modal verbs in Germanic languages are used to indicate both evidentiality and epistemic modality (and are thus ambiguous when taken out of context). Other (non-European) languages clearly mark these differently. De Haan (2001)[23] finds that the use of modal verbs to indicate evidentiality is comparatively rare (based on a sample of 200 languages).
Clause type
Evidential categories are more likely to be marked in a main declarative clause than in the other types of clauses.[25] In some languages, however, evidential forms may appear in questions or commands as well.[25]
Terminology
Although some linguists have proposed that evidentiality should be considered separately from epistemic modality, other linguists conflate the two. Because of this conflation, some researchers use the term evidentiality to refer both to the marking of the knowledge source and the commitment to the truth of the knowledge.
In English (not grammaticalized)
Evidentiality is not considered a grammatical category in English because it is expressed in diverse ways and is always optional. In contrast, many other languages (including Quechua, Aymara, and Yukaghir) require the speaker to mark the main verb or the sentence as a whole for evidentiality, or offer an optional set of affixes for indirect evidentiality, with direct experience being the default assumed mode of evidentiality.
We are unlikely to say the second unless someone (perhaps Bob himself) has told us that Bob is hungry. (We might still say it for someone incapable of speaking for themself, such as a baby or a pet.) If we are simply assuming that Bob is hungry based on the way he looks or acts, we are more likely to say something like:
Bob looks hungry.
Bob seems hungry.
Bob would be hungry by now.
Bob must be hungry by now.
Here, the fact that we are relying on sensory evidence, rather than direct experience, is conveyed by our use of the word look or seem.
Another situation in which the evidential modality is expressed in English is in certain kinds of predictions, namely those based on the evidence at hand. These can be referred to as "predictions with evidence". Examples:
Look at those clouds! It's going to rain! (Compare "It will rain!").
Possible exceptions
The suffix "-ish" can be considered to be a grammaticalized marker of uncertainty.
Western history of the concept
The notion of evidentiality as obligatory grammatical information was first made apparent in 1911 by Franz Boas in his introduction to The Handbook of American Indian Languages in a discussion of Kwakiutl and in his grammatical sketch of Tsimshianic. The term evidential was first used in the current linguistic sense by Roman Jakobson in 1957 in reference to BalkanSlavic (Jacobsen 1986:4; Jakobson 1990) with the following definition:
"EnEns/Es evidential is a tentative label for the verbal category which takes into account three events — a narrated event (En), a speech event (Es), and a narrated speech event (Ens). The speaker reports an event on the basis of someone else's report (quotative, i.e. hearsay evidence), of a dream (revelative evidence), of a guess (presumptive evidence) or of his own previous experience (memory evidence)."
Jakobson also was the first to clearly separate evidentiality from grammatical mood. By the middle of the 1960s, evidential and evidentiality were established terms in linguistic literature.
Systems of evidentiality have received focused linguistic attention only relatively recently. The first major work to examine evidentiality cross-linguistically is Chafe & Nichols (1986). A more recent typological comparison is Aikhenvald (2004).[4]
In grammar, tense is a category that expresses time reference. Tenses are usually manifested by the use of specific forms of verbs, particularly in their conjugation patterns.
A quotation is the repetition of a sentence, phrase, or passage from speech or text that someone has said or written. In oral speech, it is the representation of an utterance that is introduced by a quotative marker, such as a verb of saying. For example: John said: "I saw Mary today". Quotations in oral speech are also signaled by special prosody in addition to quotative markers. In written text, quotations are signaled by quotation marks. Quotations are also used to present well-known statement parts that are explicitly attributed by citation to their original source; such statements are marked with quotation marks.
An auxiliary verb is a verb that adds functional or grammatical meaning to the clause in which it occurs, so as to express tense, aspect, modality, voice, emphasis, etc. Auxiliary verbs usually accompany an infinitive verb or a participle, which respectively provide the main semantic content of the clause. An example is the verb have in the sentence I have finished my lunch. Here, the auxiliary have helps to express the perfect aspect along with the participle, finished. Some sentences contain a chain of two or more auxiliary verbs. Auxiliary verbs are also called helping verbs, helper verbs, or (verbal) auxiliaries. Research has been conducted into split inflection in auxiliary verbs.
A modal verb is a type of verb that contextually indicates a modality such as a likelihood, ability, permission, request, capacity, suggestion, order, obligation, necessity, possibility or advice. Modal verbs generally accompany the base (infinitive) form of another verb having semantic content. In English, the modal verbs commonly used are can, could, may, might, shall, should, will, would, and ought.
A realis mood is a grammatical mood which is used principally to indicate that something is a statement of fact; in other words, to express what the speaker considers to be a known state of affairs, as in declarative sentences. Most languages have a single realis mood called the indicative mood, although some languages have additional realis moods, for example to express different levels of certainty. By contrast, an irrealis mood is used to express something that is not known to be the case in reality.
In linguistics and philosophy, modality refers to the ways language can express various relationships to reality or truth. For instance, a modal expression may convey that something is likely, desirable, or permissible. Quintessential modal expressions include modal auxiliaries such as "could", "should", or "must"; modal adverbs such as "possibly" or "necessarily"; and modal adjectives such as "conceivable" or "probable". However, modal components have been identified in the meanings of countless natural language expressions, including counterfactuals, propositional attitudes, evidentials, habituals, and generics.
In historical linguistics, grammaticalization is a process of language change by which words representing objects and actions become grammatical markers. Thus it creates new function words from content words, rather than deriving them from existing bound, inflectional constructions. For example, the Old English verb willan 'to want', 'to wish' has become the Modern English auxiliary verb will, which expresses intention or simply futurity. Some concepts are often grammaticalized, while others, such as evidentiality, are not so much.
In linguistics, mirativity, initially proposed by Scott DeLancey, is a grammatical category in a language, independent of evidentiality, that encodes the speaker's surprise or the unpreparedness of their mind. Grammatical elements that encode the semantic category of mirativity are called miratives.
In linguistics, a complementizer or complementiser is a functional category that includes those words that can be used to turn a clause into the subject or object of a sentence. For example, the word that may be called a complementizer in English sentences like Mary believes that it is raining. The concept of complementizers is specific to certain modern grammatical theories. In traditional grammar, such words are normally considered conjunctions. The standard abbreviation for complementizer is C.
Epistemic modality is a sub-type of linguistic modality that encompasses knowledge, belief, or credence in a proposition. Epistemic modality is exemplified by the English modals may, might, must. However, it occurs cross-linguistically, encoded in a wide variety of lexical items and grammatical structures. Epistemic modality has been studied from many perspectives within linguistics and philosophy. It is one of the most studied phenomena in formal semantics.
Tariana is an endangered Maipurean language spoken along the Vaupés River in Amazonas, Brazil by approximately 100 people. Another approximately 1,500 people in the upper and middle Vaupés River area identify themselves as ethnic Tariana but do not speak the language fluently.
Alexandra Yurievna "Sasha" Aikhenvald (Eichenwald) is an Australian-Brazilian linguist specialising in linguistic typology and the Arawak language family of the Brazilian Amazon basin. She is a professorial research fellow at Central Queensland University
Nivaclé is a Matacoan language spoken in Paraguay and in Argentina by the Nivaclé. It is also known as Chulupí and Ashluslay, and in older sources has been called Ashluslé, Suhin, Sujín, Chunupí, Churupí, Choropí, and other variant spellings of these names. Nivaclé speakers are found in the Chaco, in Paraguay in Presidente Hayes Department, and Boquerón Department, and in Argentina in Salta Province.
Nambikwara is an indigenous language spoken by the Nambikwara, who reside on federal reserves covering approximately 50,000 square kilometres of land in Mato Grosso and neighbouring parts of Rondonia in Brazil. Due to the fact that the Nambikwara language has such a high proportion of speakers, and the fact that the community has a positive attitude towards the language, it is not considered to be endangered despite the fact that its speakers constitute a small minority of the Brazilian population. For these reasons, UNESCO instead classifies Nambikwara as vulnerable.
In linguistics, grammatical mood is a grammatical feature of verbs, used for signaling modality. That is, it is the use of verbal inflections that allow speakers to express their attitude toward what they are saying. The term is also used more broadly to describe the syntactic expression of modality – that is, the use of verb phrases that do not involve inflection of the verb itself.
The inferential mood is used to report a nonwitnessed event without confirming it, but the same forms also function as admiratives in the Balkan languages in which they occur. The inferential mood is used in some languages such as Turkish to convey information about events which were not directly observed or were inferred by the speaker. When referring to Balkan languages, it is often called renarrative mood; when referring to Estonian, it is called oblique mood.
Tense–aspect–mood or tense–modality–aspect is a group of grammatical categories that are important to understanding spoken or written content, and which are marked in different ways by different languages.
Yolmo (Hyolmo) or Helambu Sherpa, is a Tibeto-Burman language of the Hyolmo people of Nepal. Yolmo is spoken predominantly in the Helambu and Melamchi valleys in northern Nuwakot District and northwestern Sindhupalchowk District. Dialects are also spoken by smaller populations in Lamjung District and Ilam District and also in Ramecchap District. It is very similar to Kyirong Tibetan and less similar to Standard Tibetan and Sherpa. There are approximately 10,000 Yolmo speakers, although some dialects have larger populations than others.
In linguistics, egophoricity refers to a grammatical category that marks one's personal involvement in an event. In languages with this category, an egophoric form is used for expressing information to which the self has "privileged access" as opposed to an allophoricform.
Gerdzhikov, Georgi (1984). Преизказаването на глаголното действие в българския език[Renarration of the Verb Action in Bulgarian] (in Bulgarian). Sofia: St. Kliment Ohridksi. ISBN954-07-1834-1.
Y. Aikhenvald, Alexandra; Dixon, R. M. W., eds. (2003). Studies in Evidentiality. Amsterdam: John Benjamins. ISBN9789027296856.
de Haan, Ferdinand (2013), "Semantic Distinctions of Evidentiality", in Dryer, Matthew S.; Haspelmath, Martin (eds.), WALS Online (v2020.3), retrieved February 3, 2024
Aikhenvald, Alexandra Y., ed. (2018). The Oxford Handbook of Evidentiality. Oxford: Oxford University Press. ISBN9780198759515.
Mazzoni, Laura (2008). "Impersonamento ed evidenzialità in LIS". In L. Bertone (ed.). La grammatica della lingua dei segni italiana. Study meeting, Venice, 16-17 May 2007.
Further reading
Aikhenvald, Alexandra Y.; & Dixon, R. M. W. (1998). Evidentials and areal typology: A case-study from Amazonia. Language Sciences, 20, 241-257.
Aikhenvald, Alexandra Y.; & Dixon, R. M. W. (Eds.). (2003). Studies in evidentiality. Typological studies in language (Vol. 54). Amsterdam: John Benjamins Publishing Company. ISBN90-272-2962-7; ISBN1-58811-344-2.
Aikhenvald, Alexandra Y.; & Dixon, R. M. W. (Eds.). (2014) The Grammar of Knowledge: A Cross-Linguistic Typology. Oxford University Press. ISBN978-0-19-870131-6
Blakemore, D. (1994). Evidence and modality. In R. E. Asher (Ed.), The Encyclopedia of language and linguistics (pp.1183–1186). Oxford: Pergamon Press. ISBN0-08-035943-4.
Chafe, Wallace L.; & Nichols, Johanna. (Eds.). (1986). Evidentiality: The linguistic encoding of epistemology. Norwood, NJ: Ablex.
Comrie, Bernard. (2000). Evidentials: Semantics and history. In L. Johanson & B. Utas (Eds.).
de Haan, Ferdinand (2013b), "Coding of Evidentiality", in Dryer, Matthew S.; Haspelmath, Martin (eds.), WALS Online (v2020.3), retrieved February 3, 2024
Faust, Norma. (1973). Lecciones para el aprendizaje del idioma shipibo-conibo [Lessons for learning the Shipibo-Conibo language]. Lima: Summer Institute of Linguistics.
Guentchéva, Zlatka. (1996a). Introduction. In Z. Guentchéva (Ed.) (pp.11–18).
Johanson, Lars. (2000). Turkic indirectives. In L. Johanson & B. Utas (Eds.) (pp.61–87).
Jacobsen, W. H., Jr. (1986). The heterogeneity of evidentials in Makah. In W. L. Chafe & J. Nichols (Eds.) (pp.3–28).
Jakobson, Roman. (1990). Shifters and verbal categories. In On language (pp.386–392). Cambridge, MA: Harvard University Press. (Original work published 1957).
Johanson, Lars. (2003). Evidentiality in Turkic. In A. Y. Aikhenvald & R. M. W. Dixon (Eds.) (pp.273–290).
Johanson, Lars; & Utas, Bo (Eds.). (2000). Evidentials: Turkic, Iranian and neighboring languages. Berlin: Mouton de Gruyter. ISBN3-11-016158-3.
Joseph, Brian D. (2003). Evidentials: Summation, questions, prospects. In A. Y. Aikhenvald & R. M. W. Dixon (Eds.) (pp.307–327).
Kiefer, Ferenc. (1994). Modality. In R. E. Asher (Ed.), The Encyclopedia of language and linguistics (pp.2515–2520). Oxford: Pergamon Press.
LaPolla, Randy J. (2003). Evidentiality in Qiang. In A. Y. Aikhenvald & R. M. W. Dixon (Eds.) (pp.63–78).
Maslova, Elena. (2003). Evidentiality in Yukaghir. In A. Y. Aikhenvald & R. M. W. Dixon (Eds.) (pp.237–241).
Noël, Dirk. (2001). The passive matrices of English infinitival complement clauses: Evidentials on the road to auxiliarihood? Studies in Language, 25, 255-296.
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