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Ronald P Schaefer

Biographic Data

ID110906
NAMERonald P Schaefer
GIVEN NAMESRonald P
FAMILY NAMESchaefer
SIGNATURESCHAEFER R P
AFFILIATIONSSouthern Illinois University Edwardsville
ORCID0000-0003-4053-3082
VERIFIEDYes
TOTAL WORKS23
TOTAL CITATIONS6
WORKS AS AUTHOR23
WORKS AS EDITOR0
FIRST PUBLICATION YEAR1983
LATEST PUBLICATION YEAR2026
H-INDEX2
  • Mood

    Open Access•Ronald P Schaefer, Francis O Egbokhare•ARTICLE•Proceedings of the Linguistic…•2026

    Relative to the under-analyzed West African language Emai, we describe a system of underlying tones and syllabic segments. They surface as co-exponents to characterize mood. At the underlying level we propose a predicative complex in which tones and segmental forms contrast to distinguish categories of mood that identify the reality status of clausal information, i.e. actualized vs. non-actualized. Actualized status is determined by a two-tone pr…

  • Tonal aberrations signaling contact-induced grammatical change

    Open Access•Ronald P Schaefer, Francis O Egbokhare•ARTICLE•Diachronica•2026

    We examine tonal and non-tonal features involved in the diachronic emergence of a future tense category in Emai, an Edoid language of southern Nigeria. The extant tense system in Emai incorporates values for both temporal distance and the temporal units past, present, and future. We concentrate on linguistic coding of the future and its associated expressions. Initially, we review the set of markers for futurity in the West Benue Congo branch of …

  • Tone, viewpoint aspect, and imperative mood

    Open Access•Ronald P Schaefer, Francis O Egbokhare•ARTICLE•Proceedings of the Linguistic…•2024

    We examine the interaction between viewpoint aspect and imperative mood in an under-described and endangered Edoid language of West Africa. In Emai, tone functions both lexically and grammatically. Verbs in citation form, including bisyllabic items, are toneless. In declarative mood Emai distinguishes perfective from imperfective, with perfective assigning high tone to a verb and imperfective assigning low. Imperative mood takes perfective aspect…

  • Preverbs

    Open Access•Ronald P Schaefer, Francis O Egbokhare•ARTICLE•Proceedings of the Linguistic…•2023

    Preverbs are positionally-delimited grammatical forms that remain understudied. We examine their semantic classes in West Benue Congo (WBC) and its minor language Emai, which until recently was undocumented. Preverb classes in Emai display a subset of semantic categories identified in Dixon (1991, 2006, 2010) and Nuyts (2001, 2005, 2006, 2016). There are eight semantic classes for 30 odd preverb forms. They are apportioned according to their qual…

  • Metatony, S-constituent linkage, and cognate objects

    Open Access•Ronald P Schaefer, Francis O Egbokhare•ARTICLE•Proceedings of the Linguistic…•2021

    We examine metatony and its grammatical conditioning in an under described Edoid language of West Africa. In Emai, metatony on verbs is signaled by perfective suffix -í with underlying high tone. With a following adjunct, tone on this suffix is high and retained. When clause final, -í is retained but with low tone. When followed by a verb argument, the -í suffix is prohibited. Verbs with a following S-constituent exhibit metatonic asymmetry. Clas…

  • Reassessing gender in Ogbe-Oloma

    Ronald P Schaefer, Francis O Egbokhare•ARTICLE•Language Typology and Universals•2021

    We re-assess the gender system of Ogbe-Oloma, an Edoid village variety of Nigeria. System exponents are prefixes that define form class and reflect grammatical number. We find that eight agreement classes undergird fourteen genders, while seventeen nominal form classes frame twenty-five number inflections. Prefix mapping from inflection to gender is non-isomorphic. Mapping is however constrained by syllable shape, CV- versus V-, and alliterative …

  • Emai's Variable Coding of Adjuncts

    Open Access•Ronald P Schaefer, Francis O Egbokhare•ARTICLE•Linguistic Discovery•2014

    This paper examines the morphosyntactic character of clauses containing adjuncts in Emai (Edoid and West Benue Congo). In clauses differing as to discourse function, adjunct coding is variable. Some adjunct types are consistently structured as either head of a phrase or complement in a phrase headed by a verb. Other adjuncts are coded more variably. In canonical declarative clauses, they appear in postverbal position unmarked by a verb, but in on…

  • Observations on Reference Object Geometry in Emai Path Expressions

    Open Access•Ronald P Schaefer•ARTICLE•Proceedings of the Annual Meeting…•2014

    Proceedings of the Twelfth Annual Meeting of the Berkeley Linguistics Society (1986), pp. 485-496

  • Demarcating Emai dative constructions

    Open Access•Ronald P Schaefer•ARTICLE•Studies in African Linguistics•2013

    This paper investigates the formal and functional character of a dative relation and two additional structural relations in Emai, an Edoid language of West Benue Congo stock (Bendor-Samuel 1989, Williamson and Blench 2000). Each relation is grammatically expressed by a common morphophoneme. Postverbal particle li/ni marks Emai dative constituents. In addition, li/ni codes a limited range of subordinate clause types within complex sentences, and w…

  • On Emai VBI phrases

    Open Access•Ronald P Schaefer, Francis O Egbokhare•ARTICLE•Studies in African Linguistics•2006

    We examine the distribution of Emai prepositional phrases and their NP complements relative to intransitive verbs. In canonical order constructions, vbi phrases follow a matrix verb as optional or obligatory constituents, or they follow the verb za in series before another matrix verb. In non-canonical order constructions, focused NP complements give rise to the verb za in series with only a subclass of intransitive verbs. Through lexical entry f…

  • Emai's Aspect-Causative Interaction

    Open Access•Ronald P Schaefer, Francis O Egbokhare•ARTICLE•Proceedings of the Annual Meeting…•2005

  • On the properties of Emai's khi copula construction

    Open Access•Ronald P Schaefer, Francis O Egbokhare•ARTICLE•Studies in African Linguistics•2003

    This paper examines the equational identity (El) construction in Nigeria's Edoid language Emai. It weighs this construction's grammatical properties against a complex of equational identity patterns developed in the crosslinguistic investigations of Stassen (1997). Although EI properties reveal its functional heritage, they fail to conform fully to Stassen's findings. While EI noun phrases are sensitive to information structure and definiteness v…

  • Ideophonic adverbs and manner gaps in Emai

    Ronald P Schaefer•CHAPTER•Ideophones•2001

  • English and the pace of endangerment in Nigeria

    Open Access•Ronald P Schaefer, Francis O Egbokhare•ARTICLE•World Englishes•1999•Cited by: 2

    This paper examines oral questionnaire data in order to assess the tenability of the prevailing hypothesis that Africa's language endangerment situation is characterized by the replacement of minority vernaculars with indigenous majority languages. Questionnaire items attended to evaluation accorded minority vernacular as well as language choice in home and non-home settings. Data were obtained from adults, teenagers and children in the Emai-spea…

  • Toward a typology of directional motion for African Languages

    Open Access•Ronald P Schaefer, Richard Gaines•ARTICLE•Studies in African Linguistics•1997

    This paper examines the syntactic and semantic expression of basic directional motion and its manner counterparts across the four language phyla of Africa. We sample languages from each phylum, concentrating on basic, non-deictic, directional motion and its counterpart in which motion, direction, and manner of motion occur simultaneously. Two primary findings emerge. Across Africa, basic directional motion tends to be verb-framed with respect to …

  • On the typological character of property concepts in Emai

    Ronald P Schaefer, Francis O Egbokhare•CHAPTER•Topics in African linguistics•1993

  • Vol. 5

    G Tucker Childs, Ulrike Claudi et al.•BOOK•Vol. 5•1989

  • Reference-point marking in Emai

    Open Access•Ronald P Schaefer•ARTICLE•Linguistics•1988

    Semantic noun classes in Emai, an Edoid language of Nigeria, are examined with respect to a process of Reference Point Marking (RPM) in order to explore the relationship between discourse and lexical semantics.Across pre-and post-verbal positions subcategorized by verbs like "rere" ("to be far"), these classes are shown to attract RPM in a variable manner.To describe this variability, it proves useful to recognize a spatial stability continuum ra…

  • Observations on Reference Object Geometry in Emai Path Expressions

    Open Access•Ronald P Schaefer•ARTICLE•Proceedings of the Annual Meeting…•1986

    Proceedings of the Twelfth Annual Meeting of the Berkeley Linguistics Society (1986), pp. 485-496

  • Lexicalizing directional and nondirectional motion in Emai

    Open Access•Ronald P Schaefer•ARTICLE•Studies in African Linguistics•1986

    Motion expressions in Emai, an Edoid language of Nigeria, are examined within the lexical typology of Talmy [1985]. Both directional and nondirectional motion structures involving the MANNER verb la 'to run' are analyzed, though only the former, syntactically expressed by verbs in continuous series, poses a particular problem for interpretation. Three hypotheses concerning the semantic composition of these serial verbs are considered and evaluate…

  • Motion in Tswana and its characteristic lexicalization

    Open Access•Ronald P Schaefer•ARTICLE•Studies in African Linguistics•1985

    Characteristic patterns for the lexicalization of motion in Tswana, a Southeastern Bantu language, are explored. Examination of constraints governing classes of verb roots referring to motion events reveals two of the typological patterns put forward by Talmy [1984] for the lexicalization of motion in natural language. The distinguishing feature of each pattern lies in the particular semantic elements incorporated in a main clause verb root. The …

  • Toward universal semantic categories for human body space

    Open Access•Ronald P Schaefer•ARTICLE•Linguistics•1985•Cited by: 4

  • The synchronic behavior of basic color terms in Tswana and its diachronic implications

    Open Access•Ronald P Schaefer•ARTICLE•Studies in African Linguistics•1983•References: 1

    The synchronic distributional pattern of potential basic color terms in one dialect of Tswana is examined in a wide range of construction types. From this pattern the non-basic status of the term lephutsi emerges, as well as a constraint requiring the exclusion of animals from the semantic extension of basic terms designating hue. Accepting lephutsi as non-basic, however, leaves a pattern of semantic reference violating a widely assumed universal…

  • Toward universal semantic categories for human body space

    Open Access•Ronald P Schaefer•ARTICLE•Linguistics•1985•Cited by: 4

  • English and the pace of endangerment in Nigeria

    Open Access•Ronald P Schaefer, Francis O Egbokhare•ARTICLE•World Englishes•1999•Cited by: 2

    This paper examines oral questionnaire data in order to assess the tenability of the prevailing hypothesis that Africa's language endangerment situation is characterized by the replacement of minority vernaculars with indigenous majority languages. Questionnaire items attended to evaluation accorded minority vernacular as well as language choice in home and non-home settings. Data were obtained from adults, teenagers and children in the Emai-spea…

  • The synchronic behavior of basic color terms in Tswana and its diachronic implications

    Open Access•Ronald P Schaefer•ARTICLE•Studies in African Linguistics•1983•References: 1

    The synchronic distributional pattern of potential basic color terms in one dialect of Tswana is examined in a wide range of construction types. From this pattern the non-basic status of the term lephutsi emerges, as well as a constraint requiring the exclusion of animals from the semantic extension of basic terms designating hue. Accepting lephutsi as non-basic, however, leaves a pattern of semantic reference violating a widely assumed universal…

  • Motion in Tswana and its characteristic lexicalization

    Open Access•Ronald P Schaefer•ARTICLE•Studies in African Linguistics•1985

    Characteristic patterns for the lexicalization of motion in Tswana, a Southeastern Bantu language, are explored. Examination of constraints governing classes of verb roots referring to motion events reveals two of the typological patterns put forward by Talmy [1984] for the lexicalization of motion in natural language. The distinguishing feature of each pattern lies in the particular semantic elements incorporated in a main clause verb root. The …

  • Toward universal semantic categories for human body space

    Open Access•Ronald P Schaefer•ARTICLE•Linguistics•1985•Cited by: 4

  • Observations on Reference Object Geometry in Emai Path Expressions

    Open Access•Ronald P Schaefer•ARTICLE•Proceedings of the Annual Meeting…•1986

    Proceedings of the Twelfth Annual Meeting of the Berkeley Linguistics Society (1986), pp. 485-496

  • Lexicalizing directional and nondirectional motion in Emai

    Open Access•Ronald P Schaefer•ARTICLE•Studies in African Linguistics•1986

    Motion expressions in Emai, an Edoid language of Nigeria, are examined within the lexical typology of Talmy [1985]. Both directional and nondirectional motion structures involving the MANNER verb la 'to run' are analyzed, though only the former, syntactically expressed by verbs in continuous series, poses a particular problem for interpretation. Three hypotheses concerning the semantic composition of these serial verbs are considered and evaluate…

  • Reference-point marking in Emai

    Open Access•Ronald P Schaefer•ARTICLE•Linguistics•1988

    Semantic noun classes in Emai, an Edoid language of Nigeria, are examined with respect to a process of Reference Point Marking (RPM) in order to explore the relationship between discourse and lexical semantics.Across pre-and post-verbal positions subcategorized by verbs like "rere" ("to be far"), these classes are shown to attract RPM in a variable manner.To describe this variability, it proves useful to recognize a spatial stability continuum ra…

  • Vol. 5

    G Tucker Childs, Ulrike Claudi et al.•BOOK•Vol. 5•1989

  • On the typological character of property concepts in Emai

    Ronald P Schaefer, Francis O Egbokhare•CHAPTER•Topics in African linguistics•1993

  • Toward a typology of directional motion for African Languages

    Open Access•Ronald P Schaefer, Richard Gaines•ARTICLE•Studies in African Linguistics•1997

    This paper examines the syntactic and semantic expression of basic directional motion and its manner counterparts across the four language phyla of Africa. We sample languages from each phylum, concentrating on basic, non-deictic, directional motion and its counterpart in which motion, direction, and manner of motion occur simultaneously. Two primary findings emerge. Across Africa, basic directional motion tends to be verb-framed with respect to …

  • English and the pace of endangerment in Nigeria

    Open Access•Ronald P Schaefer, Francis O Egbokhare•ARTICLE•World Englishes•1999•Cited by: 2

    This paper examines oral questionnaire data in order to assess the tenability of the prevailing hypothesis that Africa's language endangerment situation is characterized by the replacement of minority vernaculars with indigenous majority languages. Questionnaire items attended to evaluation accorded minority vernacular as well as language choice in home and non-home settings. Data were obtained from adults, teenagers and children in the Emai-spea…

  • Ideophonic adverbs and manner gaps in Emai

    Ronald P Schaefer•CHAPTER•Ideophones•2001

  • On the properties of Emai's khi copula construction

    Open Access•Ronald P Schaefer, Francis O Egbokhare•ARTICLE•Studies in African Linguistics•2003

    This paper examines the equational identity (El) construction in Nigeria's Edoid language Emai. It weighs this construction's grammatical properties against a complex of equational identity patterns developed in the crosslinguistic investigations of Stassen (1997). Although EI properties reveal its functional heritage, they fail to conform fully to Stassen's findings. While EI noun phrases are sensitive to information structure and definiteness v…

  • Emai's Aspect-Causative Interaction

    Open Access•Ronald P Schaefer, Francis O Egbokhare•ARTICLE•Proceedings of the Annual Meeting…•2005

  • On Emai VBI phrases

    Open Access•Ronald P Schaefer, Francis O Egbokhare•ARTICLE•Studies in African Linguistics•2006

    We examine the distribution of Emai prepositional phrases and their NP complements relative to intransitive verbs. In canonical order constructions, vbi phrases follow a matrix verb as optional or obligatory constituents, or they follow the verb za in series before another matrix verb. In non-canonical order constructions, focused NP complements give rise to the verb za in series with only a subclass of intransitive verbs. Through lexical entry f…

  • Demarcating Emai dative constructions

    Open Access•Ronald P Schaefer•ARTICLE•Studies in African Linguistics•2013

    This paper investigates the formal and functional character of a dative relation and two additional structural relations in Emai, an Edoid language of West Benue Congo stock (Bendor-Samuel 1989, Williamson and Blench 2000). Each relation is grammatically expressed by a common morphophoneme. Postverbal particle li/ni marks Emai dative constituents. In addition, li/ni codes a limited range of subordinate clause types within complex sentences, and w…

  • Emai's Variable Coding of Adjuncts

    Open Access•Ronald P Schaefer, Francis O Egbokhare•ARTICLE•Linguistic Discovery•2014

    This paper examines the morphosyntactic character of clauses containing adjuncts in Emai (Edoid and West Benue Congo). In clauses differing as to discourse function, adjunct coding is variable. Some adjunct types are consistently structured as either head of a phrase or complement in a phrase headed by a verb. Other adjuncts are coded more variably. In canonical declarative clauses, they appear in postverbal position unmarked by a verb, but in on…

  • Observations on Reference Object Geometry in Emai Path Expressions

    Open Access•Ronald P Schaefer•ARTICLE•Proceedings of the Annual Meeting…•2014

    Proceedings of the Twelfth Annual Meeting of the Berkeley Linguistics Society (1986), pp. 485-496

  • Metatony, S-constituent linkage, and cognate objects

    Open Access•Ronald P Schaefer, Francis O Egbokhare•ARTICLE•Proceedings of the Linguistic…•2021

    We examine metatony and its grammatical conditioning in an under described Edoid language of West Africa. In Emai, metatony on verbs is signaled by perfective suffix -í with underlying high tone. With a following adjunct, tone on this suffix is high and retained. When clause final, -í is retained but with low tone. When followed by a verb argument, the -í suffix is prohibited. Verbs with a following S-constituent exhibit metatonic asymmetry. Clas…

  • Reassessing gender in Ogbe-Oloma

    Ronald P Schaefer, Francis O Egbokhare•ARTICLE•Language Typology and Universals•2021

    We re-assess the gender system of Ogbe-Oloma, an Edoid village variety of Nigeria. System exponents are prefixes that define form class and reflect grammatical number. We find that eight agreement classes undergird fourteen genders, while seventeen nominal form classes frame twenty-five number inflections. Prefix mapping from inflection to gender is non-isomorphic. Mapping is however constrained by syllable shape, CV- versus V-, and alliterative …

  • Preverbs

    Open Access•Ronald P Schaefer, Francis O Egbokhare•ARTICLE•Proceedings of the Linguistic…•2023

    Preverbs are positionally-delimited grammatical forms that remain understudied. We examine their semantic classes in West Benue Congo (WBC) and its minor language Emai, which until recently was undocumented. Preverb classes in Emai display a subset of semantic categories identified in Dixon (1991, 2006, 2010) and Nuyts (2001, 2005, 2006, 2016). There are eight semantic classes for 30 odd preverb forms. They are apportioned according to their qual…

  • Tone, viewpoint aspect, and imperative mood

    Open Access•Ronald P Schaefer, Francis O Egbokhare•ARTICLE•Proceedings of the Linguistic…•2024

    We examine the interaction between viewpoint aspect and imperative mood in an under-described and endangered Edoid language of West Africa. In Emai, tone functions both lexically and grammatically. Verbs in citation form, including bisyllabic items, are toneless. In declarative mood Emai distinguishes perfective from imperfective, with perfective assigning high tone to a verb and imperfective assigning low. Imperative mood takes perfective aspect…

  • Mood

    Open Access•Ronald P Schaefer, Francis O Egbokhare•ARTICLE•Proceedings of the Linguistic…•2026

    Relative to the under-analyzed West African language Emai, we describe a system of underlying tones and syllabic segments. They surface as co-exponents to characterize mood. At the underlying level we propose a predicative complex in which tones and segmental forms contrast to distinguish categories of mood that identify the reality status of clausal information, i.e. actualized vs. non-actualized. Actualized status is determined by a two-tone pr…

  • Tonal aberrations signaling contact-induced grammatical change

    Open Access•Ronald P Schaefer, Francis O Egbokhare•ARTICLE•Diachronica•2026

    We examine tonal and non-tonal features involved in the diachronic emergence of a future tense category in Emai, an Edoid language of southern Nigeria. The extant tense system in Emai incorporates values for both temporal distance and the temporal units past, present, and future. We concentrate on linguistic coding of the future and its associated expressions. Initially, we review the set of markers for futurity in the West Benue Congo branch of …

Computer Science (17 works) · Linguistics (15 works) · Philosophy (15 works) · Syntax, Semantics, Linguistic Variation (14 works) · Artificial Intelligence (9 works) · Mathematics (8 works) · Verb (7 works) · Categorization, perception, and language (6 works) · Language, Discourse, Communication Strategies (6 works) · Philosophy (6 works)

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