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Sharing a public language facilitates particularly efficient forms of joint perception and action by giving interlocutors refined tools for directing attention and aligning conceptual models and action. We hypothesized that interlocutors who flexibly align their linguistic practices and converge on a shared language will improve their cooperative performance on joint tasks. To test this prediction, we employed a novel experimental design, in which pairs of participants cooperated linguistically to solve a perceptual task. We found that dyad members generally showed a high propensity to adapt to each other's linguistic practices. However, although general linguistic alignment did not have a positive effect on performance, the alignment of particular task-relevant vocabularies strongly correlated with collective performance. In other words, the more dyad members selectively aligned linguistic tools fit for the task, the better they performed. Our work thus uncovers the interplay between social dynamics and sensitivity to task affordances in successful cooperation.

Language is drawn on extensively in friendships but has received scant attention in the developmental literature. This study compared friendship quality in 16-year-old adolescents with and without specific language impairment (SLI), testing the extent it is predicted by individual differences in social behaviors and language ability. Participants were 120 adolescents with SLI and 118 typically developing (TD) adolescents. After considering the effects of nonverbal IQ and prosocial and difficult behavior, language measures were found to be associated with friendship quality. The TD participants enjoyed normal friendships, whereas the participants with SLI were more likely to exhibit poorer quality (although 60% experienced good quality of friendships). Longitudinal analyses identified early language difficulties as predictive of poorer friendship quality in adolescence.

This continuation of a previous study (Taumoepeau & Ruffman, 2006) examined the longitudinal relation between maternal mental state talk to 15- and 24-month-olds and their later mental state language and emotion understanding (N = 74). The previous study found that maternal talk about the child's desires to 15-month-old children uniquely predicted children's mental state language and emotion task performance at 24 months. In the present study, at 24 months of age, mothers' reference to others' thoughts and knowledge was the most consistent predictor of children's later mental state language at 33 months. Vygotsky's zone of proximal development provides a framework within which maternal talk, first, about the child's desires and then about others' thoughts and knowledge scaffolds children's social understanding.

This study describes the development of social reasoning in school-age children. An irony task is used to assess 5-, 7-, and 9-year-olds' (N = 72) and adults' (N = 24) recursive understanding of others' minds. Guttman scale analysis demonstrates that in order to understand a speaker's communicative intention, a child needs to recognize the speaker's belief, the detection of which depends on the ability to identify the discrepancy between the intended and the expressed meaning. Only children who understand these aspects of mind are able to reflect on the speaker's attitude. Theory of mind and language ability make unique contributions to children's interpretation of irony over and above the impact of age and memory, but attunement to expressive prosody does not.

Although the overall mission of second language (L2) teacher education has remained relatively constant, that is, to prepare L2 teachers to do the work of this profession, the field's understanding of that work—of who teaches English, who learns English and why, of the sociopolitical and socioeconomic contexts in which English is taught, and of the varieties of English that are being taught and used around the world—has changed dramatically over the past 40 years. This article examines the epistemological underpinnings of a more general sociocultural turn in the human sciences and the impact that this turn has had on the field's understanding of how L2 teachers learn to do their work. Four interrelated challenges that have come to the forefront as a result of this turn are discussed: (a) theory/practice versus praxis, (b) the legitimacy of teachers' ways of knowing, (c) redrawing the boundaries of professional development, and (d) \"located\" L2 teacher education. In addressing these challenges, the intellectual tools of inquiry are positioned as critical if L2 teacher education is to sustain a teaching force of transformative intellectuals who can navigate their professional worlds in ways that enable them to create educationally sound, contextually appropriate, and socially equitable learning opportunities for the students they teach.

This study examined language and executive functions (EF) in high-functioning school-aged individuals with autism and individually matched controls. Relationships between executive, language, and social functioning were also examined. Participants with autism exhibited difficulty on measures of expressive grammar, figurative language, planning, and spatial working memory. A mixed profile of impaired and enhanced abilities was noted in set-shifting. While controls showed the typical increase in errors when shifting sets from an intra-dimensional to an extra-dimensional stimulus, this pattern was not noted in participants with autism. Relationships between EF, language, and social performance were weak to nonexistent. Implications for theories of core deficit in autism and dissociable nature of the language and executive impairments in autism are discussed.

'Manipulation' is one of the crucial notions of Critical Discourse Analysis that require further theoretical analysis. This article offers a triangulated approach to manipulation as a form of social power abuse, cognitive mind control and discursive interaction. Socially, manipulation is defined as illegitimate domination confirming social inequality. Cognitively, manipulation as mind control involves the interference with processes of understanding, the formation of biased mental models and social representations such as knowledge and ideologies. Discursively, manipulation generally involves the usual forms and formats of ideological discourse, such as emphasizing Our good things, and emphasizing Their bad things. At all these levels of analysis it is shown how manipulation is different from legitimate mind control, such as in persuasion and providing information, for instance by stipulating that manipulation is in the best interest of the dominated group and against the best interests of dominated groups. Finally, this theory is illustrated by a partial analysis of a speech by Tony Blair in the House of Commons legitimating the participation of the UK in the US-led war against Iraq in 2003.

Scholars have long understood that linkages between the identities of actors and the design of their actions in interaction constitute one of the central mechanisms by which social patterns are produced. Although a range of empirical approaches has successfully grounded claims regarding the significance of various forms or types of identity (gender, sex, race, ethnicity, class, familial status, etc.) in almost every form of social organization, these analyses have mostly focused on aggregated populations, aggregated interactions, or historical periods that have been (in different ways) abstracted from the particulars of singular episodes of interaction. By contrast, establishing the mechanisms by which a specific identity is made relevant and consequential in any particular episode of interaction has remained much more elusive. This article develops a range of general analytic resources for explicating how participants in an interaction can make relevant and consequential specific identities in particular courses of action. It then illustrates the use of these analytic resources by examining a phone call between two friends, one of whom relevantly embodies “grandparent” as an identity. The conclusion offers observations prompted by this analysis regarding basic contingencies that characterize self-other relationships, and the role of generic grammatical resources in establishing specific identities and intimate relationships.

The \"chameleon effect\" refers to the tendency to adopt the postures, gestures, and mannerisms of interaction partners (Chartrand & Bargh, 1999). This type of mimicry occurs outside of conscious awareness, and without any intent to mimic or imitate. Empirical evidence suggests a bi-directional relationship between nonconscious mimicry on the one hand, and liking, rapport, and affiliation on the other. That is, nonconscious mimicry creates affiliation, and affiliation can be expressed through nonconscious mimicry. We argue that mimicry played an important role in human evolution. Initially, mimicry may have had survival value by helping humans communicate. We propose that the purpose of mimicry has now evolved to serve a social function. Nonconscious behavioral mimicry increases affiliation, which serves to foster relationships with others. We review current research in light of this proposed framework and suggest future areas of research.

Looking back at the past 15 years in the field of second language acquisition (SLA), the authors select and discuss several important developments. One is the impact of various sociocultural perspectives such as Vygotskian sociocultural theory, language socialization, learning as changing participation in situated practices, Bakhtin and the dialogic perspective, and critical theory. Related to the arrival of these perspectives, the SLA field has also witnessed debates concerning understandings of learning and the construction of theory. The debate discussed in this article involves conflicting ontologies. We argue that the traditional positivist paradigm is no longer the only prominent paradigm in the field: Relativism has become an alternative paradigm. Tensions, debates, and a growing diversity of theories are healthy and stimulating for a field like SLA.