Abstract
Sentences such as “The ship was sunk to collect the insurance” exhibit an unusual form of anaphora, implicit control, where neither anaphor nor antecedent is audible. The non-finite reason clause has an understood subject, PRO, that is anaphoric; here it may be understood as naming the agent of the event of the host clause. Yet since the host is a short passive, this agent is realized by no audible dependent. The putative antecedent to PRO is therefore implicit, which it normally cannot be. What sorts of representations subserve the comprehension of this dependency? Here we present four self-paced reading time studies directed at this question. Previous work showed no processing cost for implicit vs. explicit control, and took this to support the view that PRO is linked syntactically to a silent argument in the passive. We challenge this conclusion by reporting that we also find no processing cost for remote implicit control, as in: “The ship was sunk. The reason was to collect the insurance.” Here the dependency crosses two independent sentences, and so cannot, we argue, be mediated by syntax. Our Experiments 1–4 examined the processing of both implicit (short passive) and explicit (active or long passive) control in both local and remote configurations. Experiments 3 and 4 added either “3 days ago” or “just in order” to the local conditions, to control for the distance between the passive and infinitival verbs, and for the predictability of the reason clause, respectively. We replicate the finding that implicit control does not impose an additional processing cost. But critically we show that remote control does not impose a processing cost either. Reading times at the reason clause were never slower when control was remote. In fact they were always faster. Thus, efficient processing of local implicit control cannot show that implicit control is mediated by syntax; nor, in turn, that there is a silent but grammatically active argument in passives.
Highlights
Sometimes an aspect of speaker meaning has unclear provenance
In self-paced reading times, the most prominent effect we observe was a slowdown for the explicit local condition relative to the other four conditions
In regions 1–3, immediately following the short passive, we found no significant main effects of either distance or explicitness and no interactions, the explicit local condition was already numerically slowest by region 3
Summary
Sometimes an aspect of speaker meaning has unclear provenance. Is it semantic or pragmatic? Is it or is it not determined, that is, by the structural identity of the sentence itself? In such cases online measures may help us find the source of the meaning, as the two routes to interpretation may take measurably different paths.One familiar example comes from verb phrase ellipsis, as in (2). After (1), the speaker of (2) means that the Yankees traded an outfielder Is this decided by the structural identity of his sentence token?. Many answer yes (Sag, 1976; Williams, 1977; Fiengo and May, 1994; Merchant, 2001) They say that this use of (2), unlike others, has the verb phrase trade an outfielder, with all the structure of the verb phrase in (1), just silent. It has a single meaning that is sensitive to context These two routes to interpretation—semantic vs pragmatic, disambiguation vs anaphora, recovery of structure vs resolution of a variable—might involve different cognitive processes, and might register differently in some online processing measure. A rich body of literature has pursued this idea (Tanenhaus and Carlson, 1990; Shapiro and Hestvik, 1995; Frazier and Clifton, 2001, 2005; Martin and McElree, 2008; Kertz, 2010; Yoshida et al, 2012; see Phillips and Parker, 2014 for an overview)
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