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岡山大学大学院社会文化科学研究科紀要第37号(2014.3) 13 Abstract This paper reviews past studies on how students create textual cohesion using metadiscursive nouns. Although it is mostly established that English metadiscursive nouns have some kind of discourse marking role, it is not known to what extent the notion is applicable to student writing. All the studies reviewed broadly use the Hallidayan notion of cohesion. They include correlations between text quality and the use of cohesive items, eclectic approaches combining other notions of cohesion, and the use of specific types of metadiscursive nouns such as carrier nouns and shell nouns. The studies cover different L1s and have different aims and methodologies. A combination of these findings shows features of textual cohesion in student writing created by metadiscursive nouns and other cohesive devices. Keywords: textual cohesion, discourse markers, lexical vagueness, abstract nouns, metadiscursive nouns 1. Introduction Metadiscursive nouns are abstract nouns that can play the role of pronouns or demonstratives in discourse due to their referencing role in which meaning can be recovered. The theoretical roots of metadiscursive nouns are in the lexical notion of vocabulary proposed in Halliday and Hasan (1976). The discourse roles of these nouns are proposed under varied names (e.g. Vocabulary 3, enumeratives, anaphoric nouns, advance labels, carrier nouns, and shell nouns), each of which emphasises different aspects of the role (e.g., identifying functional segments of text structures, summarizing preceding discourse, starting a new topic for succeeding discussion). The descriptions of these features are based on findings in published papers or media discourse and are at a theoretical and descriptive level. This raises the question of whether and to what extent these notions are applicable to student writing, particularly in second language writing contexts. The present paper reviews past studies investigating this aspect of vocabulary use. As the theoretical basis of metadiscursive nouns comes from the model of general nouns in Halliday and Hasan (1976) this review follows developments in the authors’ theory of cohesion. After defining the notion of cohesion and the cohesion framework proposed by Halliday and Hasan empirical studies that tested the framework for the assessment of the quality of student writing (hereafter SW and SWs for student writers) are Metadiscursive Nouns and Textual Cohesion in Second Language Writing TAHARA, Nobuko

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Page 1: Metadiscursive Nouns and Textual Cohesion in …ousar.lib.okayama-u.ac.jp/files/public/5/52375/...Metadiscursive Nouns and Textual Cohesion in Second Language Writing TAHARA, Nobuko

岡山大学大学院社会文化科学研究科紀要第37号(2014.3)

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Abstract

  This paper reviews past studies on how students create textual cohesion using metadiscursive nouns.

Although it is mostly established that English metadiscursive nouns have some kind of discourse marking role,

it is not known to what extent the notion is applicable to student writing. All the studies reviewed broadly use

the Hallidayan notion of cohesion. They include correlations between text quality and the use of cohesive items,

eclectic approaches combining other notions of cohesion, and the use of specific types of metadiscursive nouns

such as carrier nouns and shell nouns. The studies cover different L1s and have different aims and

methodologies. A combination of these findings shows features of textual cohesion in student writing created by

metadiscursive nouns and other cohesive devices.

Keywords: textual cohesion, discourse markers, lexical vagueness, abstract nouns, metadiscursive nouns

1. Introduction

  Metadiscursive nouns are abstract nouns that can play the role of pronouns or demonstratives in discourse

due to their referencing role in which meaning can be recovered. The theoretical roots of metadiscursive nouns

are in the lexical notion of vocabulary proposed in Halliday and Hasan (1976). The discourse roles of these

nouns are proposed under varied names (e.g. Vocabulary 3, enumeratives, anaphoric nouns, advance labels,

carrier nouns, and shell nouns), each of which emphasises different aspects of the role (e.g., identifying

functional segments of text structures, summarizing preceding discourse, starting a new topic for succeeding

discussion). The descriptions of these features are based on findings in published papers or media discourse and

are at a theoretical and descriptive level. This raises the question of whether and to what extent these notions are

applicable to student writing, particularly in second language writing contexts. The present paper reviews past

studies investigating this aspect of vocabulary use.

  As the theoretical basis of metadiscursive nouns comes from the model of general nouns in Halliday and

Hasan (1976) this review follows developments in the authors’ theory of cohesion. After defining the notion of

cohesion and the cohesion framework proposed by Halliday and Hasan empirical studies that tested the

framework for the assessment of the quality of student writing (hereafter SW and SWs for student writers) are

Metadiscursive Nouns and Textual Cohesion in Second Language Writing

TAHARA, Nobuko

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reviewed, where both native speakers’ (NSs) and non-native speakers’ (NNSs) writing are included. This is

followed by an examination of studies that take a more eclectic approach to the cohesion features in SW and the

use of major types of metadiscursive nouns in SW. The paper concludes with a summary of findings on L1 and

L2 student use of metadiscursive nouns and identifies areas of further research.

2. The Hallidayan notion of cohesion and a cohesion framework

  Traditional English linguistics is concerned with rules or patterns that underlie the use of words, phrases,

clauses and sentences, and accordingly with correct or incorrect use of language (Huddleston & Pullum, 2002).

In the 1980s, attention shifted to cohesion by emphasising ‘actual instances of communicative action in the

medium of language’ (Johnstone, 2008: 2). Probably because of the dominant traditions of a grammatical

description of English cohesion studies were initially used to explain sentence-to-sentence connections (Harris,

1952, in Cook, 1989). Currently, however, cohesion is understood as meaning-based connections and Halliday

and Hasan were early proponents of this notion of cohesion. They identified linguistic devices that can create

meaning-based connections in text, and their cohesion framework allowed a major shift in the teaching of

English writing, from the correct use of language to the cohesiveness of texts. Another consideration in creating

cohesion in a text is a given social and psychological context. Linguists supporting this view (e.g., Carrell, 1982;

Johns, 1986) argue for the importance of readers’ background knowledge, or schemata, to understand the kind

of meaning which gives cohesion to a sequence of sentences. The focus in the present study, however, is on the

former type of cohesion: linguistic descriptions of English language that mostly disregard social and cultural

aspects of language use.

3. Correlations between the use of cohesion devices and writing quality

  The Halliday and Hasan cohesion framework has been mostly applied to assess the quality of student

essays. This may be because a continuing interest of researchers working with SW is to find out what internal

characteristics of essays can distinguish their overall quality. The use of Halliday and Hasan’s cohesive items in

SW has been investigated in diverse contexts (e.g., length of essays, student L1s, target cohesive devices).

Traditional grammar-focused investigations of SW have yielded no satisfactory results, with writing ranked low

having more errors but with no significant differences in syntax features between different levels of essays

(Witte & Faigley, 1981: 189). The results of studies that tested the Halliday and Hasan cohesion framework are

not conclusive either. Some studies find that an increased use of cohesive items is related to higher quality (Witte

& Faigley, 1981; Jafarpur, 1991; Jin, 2001; Liu & Braine, 2005) but others find no significant relationship

between them (Nold & Fleedman: 1977; Evola, Mamer & Lentz, 1980; Tierney & Mosenthal, 1983; Connor,

1984; McCulley, 1985; Crowhurst, 1987; Neuner, 1987; Allard & Ulatowska, 1991; Field & Oi, 1992; Johnson,

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1992; Zhang, 2000; Castro, 2004; and, Chen, 2008). Some attribute non-correlation to schema theories (Carrell,

1982; Johns, 1986; Chen, 2008), arguing that the number of ties alone is not a reliable indicator of the quality of

writing but rather that it is a reader’s background knowledge of a text and of the writer’s purpose that make

written discourse coherent (Chen, 2008: 104).

  Halliday and Hasan’s notion of cohesion also has the idea of text-spans, which refers to the number of

sentences between cohesive items and referred items (1976: 339), and this notion can also be applied to

investigate a correlation with the quality of student essays. However, such studies show no conclusive results

either. Some, such as Witte and Faigley (1981: 196), find statistically significant differences between the

distance of text span and quality of essays. They consider that immediate cohesive ties are a sign of good writing

because students try to remain longer on a topic using strong cohesive bonds that extend and modify the topic.

Others, such as Johnson (1992) and Zhang (2000), do not find clear differences between the two factors. For

them, remote ties are as important in organising and linking chunks of ideas as immediate ties that create strong

bonds (Zhang, 2000: 73).

3-1. Features of the use of cohesion devices in student writing

  Studies that investigated the use of cohesion items in relation to the quality of SW have not found any clear

correlations between the items and quality of writing but they have identified some tendencies in student use of

cohesion devices. One is the use of vague referents through the use of grammatical referencing devices. For

example, Zhang (2000) claims that the demonstrative it does not have an explicit referent or agreement with

immediate previous text in SW. Another feature of SW is a limited range of lexical items despite the larger

number of total lexical ties. This is mainly because many items are merely repetitions of the same word and

other types of lexical devices (e.g., synonym, antonym and hyponym) are rarely used (Witte & Faigley, 1981:

197-198). A third feature of SW is an overuse of conjunctions as highlighted in many studies on NNS writing

(Field & Oi, 1992; Milton & Tsang, 1993; Bolton, Nelson & Hung, 2002) which are mostly independent from

Halliday and Hasan’s cohesion framework. A wider range of conjunctives used by NNSs is also reported with

NNSs using conjunctives that NSs seldom use (Field & Oi, 1992: 23). These features can partly explain

argumentation patterns found in SW. Witte and Faigley (1981: 198) point out that lexical repetition and a lack of

lexical range indicate that student essays have little expansion and elaboration of ideas in discourse; and Chen

(2008: 94) states that frequent conjunctives may suggest the creation of surface logicality without logical

relations.

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4. Eclectic approaches to metadiscursive nouns

  There are some studies that are concerned with the use of general nouns and metadiscursive nouns, though

they do not specifically follow Hallidayan or other functional approaches or any particular linguistic theories.

Mojica (2006), for example, investigates general nouns as ‘text-structuring’ words in an eclectic approach

combining Halliday and Hasan (1976), Carter and McCarthy (1988), Salkie (1995) and Liu (2000). Hinkel

(2001) and Hinkel (2003) are other examples investigating general nouns from this type of linguistic approach.

4-1. Use of enumerative and resultative nouns: Hinkel (2001)

  Using a corpus of five different L1 student essays (Japanese, Korean, Indonesian, Arabic, and English),

Hinkel (2001) investigates the use of two types of metadiscursive nouns with reference to their discourse

marking roles. These are enumerative and resultative nouns. Enumeratives refer to nouns that can mark the

elaboration and clarification which is to follow (Quirk, et al., 1985, in Hinkel, 2001) and resultative nouns

function as the completion or summary of a process, activity or event (Tadros, 1994, in Hinkel, 2001: 118, 127).

The results suggest that NS writers use these noun types more frequently than NNS writers (Hinkel, 2001: 126)

and that NSs use these types of nouns for the purpose of generalization-marking. For example, in the following

extract:

If you are a student, perhaps you have a lot of facts related to grades in your school days. I have a lot of

facts related to grades, too. When I was a university student in Korea, I studied hard for some courses to

give me an advantage in grades, but I didn’t study hard for some courses, and they gave me a problem.

(Hinkel, 2001: 127)

The enumerative nouns facts, advantage, and problem are used without any elaboration. In the extract below the

resultative nouns, result and outcome play a limited summative role and give limited contextual information

which could describe how or why such a result or outcome is obtained:

In Indonesia, a lot of parents supply their children with a lot of money without good judgment what the

money is for. This creates the result of many young generations who spend their time drinking and

gambling. They don’t think about their future with a terrible outcome. This causes not only a gap between

the older and younger generation, but also between the rich and the poor. (Hinkel, 2001: 127)

Hinkel points out that vague referents in NNS writing leave the reader with the task of inferring the

circumstances that lead to the result or outcome (2001: 128), and that this is relatively rare in NS essays or

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published academic texts in English.

4-2. Use of vague nouns: Hinkel (2003)

  Hinkel (2003) investigates ‘vague nouns’ as sources of vagueness and simplicity in NNS essays which

contribute to the poor rating of their essays (Vaughan, 1991; Reid, 1993). For Hinkel, vague nouns are all-

inclusive general meaning nouns which are ‘almost always dependent on the contexts where they are used’ and

refer to ‘objects, concepts and events that are not well defined and have few clear-cut lexical boundaries in the

nonlinguistic world’ (Channel, 1994, in Hinkel, 2003: 283). In the classification of Lyons (1977), they include

first-order entities that have fairly constant perceptual properties (e.g., people, student); second-order entities

representing events, processes and situations (e.g., learning, occurrence); and third-order entities representing

concepts or ideas (e.g., affairs, maturity). Hinkel also analyses ‘general nouns’ in SW with reference to syntactic

patterns containing combinations of be-verbs and public/personal/expecting verbs. These express uncertainty,

indirectness or mental states and are frequent in conversational discourse and social interaction (ibid: 284).

  Results show that NNSs use vague nouns and uncertainty verbs (e.g., think, understand, feel) in repetitions

much more frequently than NSs but within a restricted lexical repertoire (ibid: 292). Also, NNSs make

significantly more use of be-verbs combined with adjectives where adjectives express the writer’s evaluation.

For example: A teacher and students must be serious and diligent or The lesson is enjoyable. Referring to Lee

and Scarcella (1992), Hinkel (ibid: 295) points out that when using these patterns a writer’s position or counter-

position is expressed by personal preferences and expectations without an explanation of reasons why such a

position is taken. Such argument patterns hamper the production of elaborate and detailed descriptions that

should be expressed in university-level essays. NS essays use less vague nouns, more abstract nouns, and

significantly less be-verbs combined with adjective patterns. NS writers can account for propositions or

objections with a variety of alternative nouns, verbs, and syntactic patterns.

5. Use of metadiscursive nouns in student writing

  Metadiscursive nouns are categorised into two general types: ones that focus on functional segments in text

patterns, as represented by Winter’s Vocabulary 3 (1977); and others that focus on discourse shifts by setting up

a relation between two parts of a discourse without an association with any particular discourse pattern. These

are represented by anaphoric nouns, carrier nouns and shell nouns (Francis, 1986; Ivanic, 1991; and, Schmid,

2000).

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5-1. Vocabulary 3 in Problem-Solution patterns: L. Flowerdew (2003)

   Vocabulary 3 can indicate a shift of functional segments of text patterns. The notion has been little tested

for pedagogical application but a similar notion of move-structures (Dudley-Evans, 1986, 1994; Swales, 1990)

has often been employed to examine the writing of research articles and dissertations. One of the few studies

applying the notion of Vocabulary 3 is that of L. Flowerdew (2003) who investigates Vocabulary 3 in problem-

solution patterns as ‘key words’ (Scott, 2001) which are lexical items of unusually high frequency in a given

text. Using texts written by L1 Cantonese undergraduates (NNSs) and professional writers (hereafter PWs and

PW for professional writing) nouns were analysed using the APPRAISAL system (Martin, 2000) which can

evaluate words as either ‘inscribed’ or ‘evoking’ words. Inscribed lexis is explicitly evaluative and constitutes a

superordinate category, whilst evoking lexis refers to words that are implicitly evaluative and not superordinates

(ibid: 494). L. Flowerdew shows that both students and PWs use Vocabulary 3 to form problem-solution patterns

but NNSs rely heavily on a small number of items of inscribed lexis for constructing both problem and solution

segments. PWs predominantly use implicitly evaluative evoking lexis (e.g., impacts, noise, traffic) for the

problem element and explicitly evaluative inscribed lexis for the solution (e.g., measures, proposal,

recommendations, treatment,). This suggests that NNSs prefer discourse signalling nouns that explicitly state

what kinds of logical relationship exist between propositions. PWs, on the other hand, are more likely to let

readers infer the nature of links using their encyclopaedic knowledge (or perhaps from other more subtle lexical

cues).

  In a more detailed analysis, L. Flowerdew investigates lexicogrammatical patterns involving the use of

problem. It is noteworthy that there was quite a difference in the frequency and distribution of ‘Causal

Relations’; that is, the relation between a cause and an effect, created by a combination of problem and various

verbs (e.g., create + problem, problem + derives from). Problem occurs far more frequently in SW than in PW

but only about one third of examples are used to create some kind of Causal Relations; whereas in PW,

occurrences are far less than in SW but most of them (95%) are used to create Causal Relations (ibid: 499, 501).

Also, the use of implicit cause/result verbs in ‘problem + verb’ collocations indicate another difference between

the two corpora. Explicit verbs are used in a similar way ‘[indicating] some type of adverse happening’ (e.g,

create a noise problem: Stubbs, 2001, in ibid.: 500). Implicit verbs are used in PW for positive semantic prosody

indicating things will get better (e.g., alleviate the problem) but they are sometimes used incorrectly or

uncollocationally in SW (e.g., the problem will be worsened) (ibid.: 502). This seems to suggest that, along with

an increased use of Causal Relations, knowledge of implicit verbs is an important factor in constructing well-

organised text.

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6. Metadiscursive nouns in student writing focusing on discourse shifts

  Metadiscursive nouns that highlight discoursal relations between two sections are extensively described but

only a few studies have tested these theories using SW. J. Flowerdew (2006; 2010) and Caldwell (2009) are the

major exceptions.

6-1. Use of signalling nouns by NNSs as shown in errors: J. Flowerdew (2006)

  J. Flowerdew (2006) calls metadiscursive nouns ‘signalling nouns’, and identifies four major types of

signalling noun errors in L1 Cantonese argumentative essays: 1) colligation errors; 2) incorrect signalling nouns

(wrong selection of nouns, and confusion of word forms such as adjectives and nouns); 3) collocation errors;

and, 4) omission of signalling nouns. The most frequently occurring type of error is that of colligation, primarily

of prepositions, followed by the incorrect use of nouns, and collocation errors. J. Flowerdew considers that these

types of errors are not so problematic because they show that students partially understand signalling nouns and

how they work (ibid.: 353) but that the omission of signalling nouns is a problem. Although omissions account

for less than 2% of total errors, they are a sign that ‘the writer either does not know that a signalling noun is

needed here or, if they do, do not know one which would be appropriate’ (ibid.: 353). It is not clear from this

study how problematic omissions by NNSs are because there is no comparison with NSs or PWs; but it does

suggest that NNSs may have only a general or partial understanding of signalling nouns.

6-2. Use of signalling nouns by NSs and NNSs: J. Flowerdew (2010)

  J. Flowerdew (2010) compares the use of signalling nouns between L1 Cantonese NNSs and NSs from five

aspects: 1) frequency of signalling nouns; 2) referencing functions (e.g., anaphoric, cataphoric, in-clause

patterns); 3) frequently occurring signalling nouns; 4) range of signalling nouns; and, 5) eight types of ‘in-

clause’ realisation patterns (e.g., SN + of + noun phrase, SN + to + non-finite, SN + that-clause, where SN stands

for signalling noun). The results show that the use of signalling nouns (1, above) in NS writing is more frequent

(as much as 2.7 times per individual text) than in NNS writing, but the top 20 most frequently occurring

signalling nouns (3) are similar in the two subject groups. This is suggestive of NNS general competence in the

most important signalling nouns, and at the same time, a lack of knowledge of non-core signalling nouns. The

ranges of nouns used (4) are also small in NNS writing, whilst NSs use a wide variety of nouns. NNS lack of

knowledge is also shown in their use of signalling nouns’ referencing types (2) and in-clause syntactic patterns

(5). NSs used a greater variety of functions including anaphoric, cataphoric and in-clause patterns than NNSs,

and more varied and different types of in-clause syntactic patterns.

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6-3. Lexical vagueness in student writing: Caldwell (2009)

  Caldwell (2009) investigates the use of metadiscursive nouns as abstract nouns that are possible sources of

vagueness in SW.ⅰ NSs, NNSs and PWs in South African English learning contexts are compared. Carrier

nouns, shell nouns and other second- and third-order entities in Lyons’ tripartite taxonomy (1977: 442-443) are

investigated. Second-order entities are included as they have the potential to form ‘shell-content relations’

(Schmid, 2000: 41). Nouns are analysed in terms of frequency, noun syntactic patterns, and noun specification

patterns.

  The frequency of metadiscursive nouns are estimated in two ways: the proportion of 33 carrier noun items

out of the total number of nouns; and, the proportion of the 100 most frequent nouns out of 670 shell and

second- and third-order entity nouns. In either investigation, students used abstract nouns with rather a high

frequency (ibid: 98) but this was still less than PWs. Caldwell claims that less use of abstract nouns in SW

makes the writing less vague and that the mere presence of abstract nouns, let alone their overuse, is not a cause

of vagueness in SW (ibid.: 77). In the analysis of noun syntactic patterns, Caldwell investigated noun

lexicalisation in 13 types of syntactic pattern, including those that are not typical shell or carrier patterns (e.g., N

+ in + which). The result showed that ‘student writers…utilise many of the syntactic pattern said to house ‘shell/

carrier’ nouns along with other patterns’ (ibid.: 87). An exception is the use of the-be-N pattern which is

preferred by PWs and L1 writers but was not used at all by the L2 writers (ibid.: 89). The pattern the-be-N has a

strong textual function in discourse, creating cross sentential anaphoric links and has a conspicuous

characterization pattern (Schmid, 2000). Little use of this pattern by L2 writers may suggest an area of

deficiency in their structuring of English texts and a need for pedagogical intervention. In general, however,

SWs used shell/carrier nouns in typical syntactic patterns that host nouns. In theory shell/carrier nouns should

have fulfilled the functions attributable to them and there should be little vagueness in the way that these nouns

are used.

  In a further attempt to locate sources of vagueness, Caldwell shifts her focus to whether or not a reader can

successfully identify the intended referents of nouns. In other words, she switched her focus from shell nouns’

‘syntactic host’ to ‘shell contents’ (ibid: 133). The approach used was a manual qualitative analysis of the first

200 words of all texts. Caldwell examines the specification patterns of a definite ‘micro’ noun phrase (NP) (ibid:

116), which is a combination of ‘a definite article (the)/demonstrative determiner (e.g., this, that)/possessive

(e.g., his, her) + a NP’. After identifying several noun specification patterns occurring in the corpora, she argues

that ESP (expansion/ specification) and ‘A’ (anaphoric) patterns are two areas where vagueness of SW is

indicated, as explained in the following sections.ⅱ

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6-3-1. ESP (expansion/specification)

  In the analysis of the opening extracts, ESP relations often represent first-mentioned definite noun phrases

followed by expansions specifying them. ESP patterns are significantly preferred to other specification patterns

and are much more frequent in SW, particularly by NNSs, than in PW (Caldwell, 2009: 123). This finding may

seem to contradict the view that SW is underspecified; however, Caldwell shows that ESPs in SW often do not

allow the reader to identify the meaning of a micro NP. This is mainly due to the way micro NPs are specified as

they feature longer and seemingly more complex phrases that often embed several ESP relationships within one

clause (ibid.: 129). In other words, specifying phrases often contain nouns that are considered second or third-

order entities. Here are two NS examples from Caldwell (2009: 134). (Co-indexed and underlined are expanded

phrases, NFS means no further specification.)

(1) … link (ESP) the information (ESP) contained in (NFS) the theory …

(2) … use of (ESP) its own interpretation (ESP) of (NFS) the research situation…

The ESP cataphoric specifications of the head nouns the information and interpretation include theory and

situation, which are not first-order entities and would require further specification. This does not mean that ESP

referents of vague nouns in PW never include shell nouns. Some nouns in ESP expansions are first-order entities

as shown by plants and animals in example (3) (ibid: 134):

(3) (ESP) … the variety (ESP) of human uses for plants and animals

Vague nouns are also included in the expansions as shown with analogy in example (4) (ibid.):

(4) (ESP) … the notion (ESP) that very young children are unable to reason by analogy

Whether or not analogy is a more familiar term than second- or third-order entities, if not a first-order entity and

its meaning is more recoverable without the context, is not as clear-cut as Caldwell suggests but she points out

that PWs expand the meaning of abstract nouns by using easier words to understand than in SW.

6-3-2. ‘A’ (anaphoric) pattern

  An ‘A’ (anaphoric) specification pattern is established ‘when the specifying description of a definite NP is

an antecedent in the preceding text’ (ibid: 117). Caldwell investigated the ‘A’ patterns between two types of

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nominal anaphor (hereafter NA) (which is a micro NP in ESP, but called NA in an ‘A’ specification pattern

following Maes, 1995): repeated and alternative NAs. These are combined with either the definite article (the)

(called DefNA) or demonstrative pronouns (e.g., this, that) (called DemNA). The combinations of repeated/

alternative NAs and article/demonstrative pronouns form four patterns: ‘repeated DefNA’; ‘alternative DefNA’;

‘repeated DemNA’; and, ‘alternative DemNA’.

  Caldwell claims that PWs use a significantly higher proportion of alternative DemNAs, particularly this,

such as ‘this + alternative NA’ compared to SWs who prefer repeated DefNAs such as ‘the + repeated NA’ (ibid.:

177). It is suggested that a student preference for repeated DefNAs can lead to vagueness in their writing. This

may be because DefNA noun phrases are not as strong anaphoric devices as DemNAs; demonstrative pronouns

are identificationally stronger as deictic elements in a demonstrative determiner and act as a much stronger

anaphoric device (Maes, 1995: 65, in Caldwell, 2009: 154). Also, they are repetition nouns where definite micro

NPs do not function as strong characterization markers of information, as ‘with the repetition of the noun, the

“shell NP” does not characterise, categorise, or in some way qualify the referent of the previous NP’ (ibid.: 159).

While ESP patterns suggest a need for proper and improved specifications in SW, at issue with the ‘A’ pattern is

the more frequent use of alternative DemNAs because SWs can mostly use alternative DemNAs properly when

they do choose them (ibid: 154).

7. Summary: Student use of metadiscursive nouns

  This paper reports on a review of previous studies that have investigated the use of metadiscursive nouns in

SW. The review included studies that focused on the use of grammatical and lexical cohesion devices in

Halliday and Hasan’s (1976) framework and also those that took a more eclectic approach to Halliday’s notion

of cohesion such as Hinkel (2003) that analysed the use of ‘vague’ nouns. A major finding from the review is

that nouns used as cohesive devices have common features even if students’ L1s are varied. These features

which overlap and are correlated with each other include: a limited range of vocabulary; generalization without

elaboration; vague referents by cohesion devices; and, more use of repetitions and less use of nouns that can

evaluate and characterise the referents.

  Regarding the limited range of vocabulary, SWs had general competence in the use of core metadiscursive

nouns but lacked competence in the use of non-core and synonymous nouns. For example, the general

competence of SWs was indicated by the similar use by both NSs and NNSs of the top 20 most frequently

occurring signalling nouns (J. Flowerdew, 2010) and by NNS use of superordinate type nouns in the

construction of problem-solution patterns (L. Flowerdew, 2003). At the same time, a more detailed analysis

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revealed a lack of vocabulary in SW. Superordinate nouns in problem-solution patterns in SW (L. Flowerdew,

2003) were repetitions of only a handful of Inscribed type, or explicit superordinates; and the high proportions

of wrong selections of signalling nouns (J. Flowerdew, 2006) were also suggestive of a small selection of

signalling noun items. The feature of generalization without elaboration was illustrated through the NNS use of

enumerative and resultative nouns in Hinkel (2001). Generalised information can give limited contextual

information, and the nouns cannot make clear the main point of an argument. A related feature of SW vague

referents of metadiscursive nouns was shown most clearly in one specification type of a ‘definite micro NP’,

where the NP is a shell/carrier noun: the ESP (expansion/specification) (Caldwell, 2009). In the ESP pattern, the

specifying segment in SW often included 2nd- and 3rd-order entities which caused vagueness in the writing,

whilst PWs specified the NP in more familiar terms than students. Vague meaning of metadiscursive nouns may

be damaging to the argumentation of student essays, as this class of nouns can play a discourse summarisation

and characterisation role. The use of ‘A’ (anaphoric) pattern (Caldwell, 2009), another specification type of a

‘definite micro NP’ in Caldwell (2009), suggested less evaluation and characterisation roles in the referring

nouns in SW. The students predominantly preferred a repeated DefNA (the + repeated NA), indicating the weak

characterisation and evaluation role of the NP in SW. In contrast, PWs preferred the alternative DemNA (this/

that + alternative NA) which has a strong summarisation and characterisation function. Less use of alternative

nouns may decrease the effectiveness of any assessment and evaluation that should be expressed in the writing.

  These findings concerning the features of SW indicate a need for students to increase their knowledge of

the vocabulary range of metadiscursive nouns, and also to learn how to write more detailed explanations in the

referencing using this class of nouns in English essays.

8. Identification of further research areas

  A major limitation of the present paper is that the research environments of individual studies reviewed

(e.g., aim, number and type of subjects, methodology) are varied, and so findings are less comparable with each

other and more tentative. To reach any conclusive findings, more studies with different research environments

are required. For example, types of L1s should be expanded as the study of SW in the Hallidayan notion of

metadiscursive nouns is still limited to only several types of L1s. As a research approach, the review indicated

the benefit of combining a manual qualitative analysis with a quantitative corpus analysis (e.g., L. Flowerdew,

2003; Caldwell, 2009). Automated corpus techniques can ensure, to a large extent, the objectivity and reliability

of a study by categorising target items into various types and counting frequencies but do not provide detailed

information about target aspects. Therefore, the inclusion of a qualitative analysis would be ideal for research

that investigates cohesion and other linguistic aspects.

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                 ⅰ Caldwell also approaches the vagueness of abstract nouns in terms of teacher-student relations in the classroom but this social aspect is not of concern in the present paper.ⅱ See Caldwell (2009: 117-118) for other referring expression patterns.