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Turkish 3rd person plural subjects are frequently used with verbs that are unmarked for number, with plural suffix omission influenced by semantic and word-order related constraints.
Previous findings from judgment tasks indicate that monolingual and heritage Turkish speakers differ in the way they are affected by these constraints.
This study builds and expands upon previous research by investigating the role of word order in more detail, and by examining whether the constraint weightings obtained from Uygun and Felser's (2021) acceptability judgment data are able to predict speakers' verb form choices in a timed sentence completion task.
Besides confirming that word-order related constraints are information-structural in nature, our results show that heritage speakers over-produce plural-marked verbs in comparison to monolingual speakers, indicating between-group differences in constraint ranking.
We interpret this as reflecting a tendency among Turkish heritage speakers to regularize the agreement system, which is not necessarily observed in metalinguistic judgment tasks.
While much attention has been devoted to the cognition of aging multilingual individuals, little is known about how age affects their grammatical processing. We assessed subject-verb number-agreement processing in sixty native (L1) and sixty non-native (L2) speakers of German (age: 18-84) using a binary-choice sentence-completion task, along with various individual-differences tests. Our results revealed differential effects of age on L1 and L2 speakers' accuracy and reaction times (RTs). L1 speakers' RTs increased with age, and they became more susceptible to attraction errors. In contrast, L2 speakers' RTs decreased, once age-related slowing was controlled for, and their overall accuracy increased. We interpret this as resulting from increased L2 exposure. Moreover, L2 speakers' accuracy/RT patterns were more strongly affected by cognitive variables (working memory, interference control) than L1 speakers'. Our findings show that as regards bilinguals' grammatical processing ability, aging is associated with both gains (in experience) and losses (in cognitive abilities).
Previous studies have suggested that distinctive case marking on noun phrases reduces attraction effects in production, i.e., the tendency to produce a verb that agrees with a nonsubject noun. An important open question is whether attraction effects are modulated by case information in sentence comprehension. To address this question, we conducted three attraction experiments in Armenian, a language with a rich and productive case system. The experiments showed clear attraction effects, and they also revealed an overall role of case marking such that participants showed faster response and reading times when the nouns in the sentence had different case. However, we found little indication that distinctive case marking modulated attraction effects. We present a theoretical proposal of how case and number information may be used differentially during agreement licensing in comprehension. More generally, this work sheds light on the nature of the retrieval cues deployed when completing morphosyntactic dependencies.