No abstract
For over a decade, the interpretation of scalar expressions under embedding has been a much debated issue, with proposed accounts ranging from strictly pragmatic, on one end of the spectrum, to lexico-syntactic, on the other. There has been some confusion as to what exactly the controversy is about, and we argue that what is at stake is the division of labour between pragmatic and truth-conditional mechanisms. All parties to the debate agree that upper-bounded construals of scalar expressions are variously caused by conversational implicatures and truth-conditional narrowing, but whereas Griceans argue that the former mechanism is the main cause, conventionalists point to the latter, assuming as a matter of course that the source of truth-conditional narrowing lies in linguistic convention; on this view, narrowing is either a lexical or a syntactic phenomenon. Since researchers' introspective judgments tend to agree with the theories they advocate, a number of experimental studies have recently tried to shed light on this issue. In this paper, we review the experimental record, and argue that the extant data favour a pragmatic account.Keywords: scalar implicatures, quantification, typicality * We are indebted to Emmanuel Chemla and Benjamin Spector for giving us permission to use their raw experimental data, and to Corien Bary, Chris Cummins, Larry Horn, Louise McNally, Sammie Tarenskeen, Rob van der Sandt, Noor van Leusen, Emiel van Miltenburg, and an anonymous reviewer for S&P, for their extremely useful comments and questions.
In a series of experiments, Bott and Noveck (2004) found that the computation of scalar inferences, a variety of conversational implicature, caused a delay in response times. In order to determine what aspect of the inferential process that underlies scalar inferences caused this delay, we extended their paradigm to three other kinds of inferences: free choice inferences, conditional perfection, and exhaustivity in "it"-clefts. In contrast to scalar inferences, the computation of these three kinds of inferences facilitated response times. Following a suggestion made by Chemla and Bott (2014), we propose that the time it takes to compute a conversational implicature depends on the structural characteristics of the required alternatives.
Background Increasing attention is being paid to the higher prevalence of boys with Autism Spectrum Disorder (ASD) and to the implications of this ratio discrepancy on our understanding of autism in girls. One recent avenue of research has focused on caregiver’s concern, suggesting that autism might present differently in boys and girls. One unexplored factor related to concerns on child development is whether socio-cultural factors such as gender-related expectations influence the evaluation of symptom severity and predictions about future behavioral development. Methods The latter concerns were the focus of the present study and were explored by investigating laypeople’s judgment of the severity of autism symptoms using an online parent role-playing paradigm, in which participants were asked to rate vignettes depicting the behaviors of a child in different everyday life scenarios. The child’s gender and the severity of ASD symptoms were manipulated to examine the effect of gender on the perception of symptom severity. Results Results suggest that there are no gender differences in perceived symptom severity and associated degree of concern for 5-year-old boys and girls but that there is a gender difference in perceived future atypicality at 15 years old, with boys being rated as more likely to be perceived as atypical by their peers at that age than girls. Conclusions Investigating parent’s cognition about their child’s future behavioral development can provide additional information regarding delayed diagnosis of autistic girls.
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