abstract
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The research question which guides this master’s thesis is whether the process- ing of situation-register (mis)matches resembles the processing of verb-argument (mis)matches in 32-45-year-olds in order to draw conclusions about the underlying processing mechanisms, i.e., single or distinct processing mechanism(s) of verb- argument congruence and situation-register. The age group of 32-45 (n = 8) was compared to another age group (18-31, n = 9) regarding their sensitivity of situation- register congruence. This pilot study was conducted as a visual world paradigm to investigate situation-register processing in real time. Participants heard a context sentence which triggered formal vs. informal situation-register. Secondly, they heard a target sentence which either matched or mismatched the context sentence regarding situation-register. In addition, the target sentences were semantically correct vs. incorrect in the sense that verb-argument congruence either matched or mismatched. The visual input consisted of four pictures; two pictures matched the object noun of the target sentence but differed in their situation-register (high vs. low) and two pictures did not match the object noun of the target object and differed in their situation- register. Descriptively, it could be seen that the objects which semantically fitted to the verb were anticipated more than non-fitting objects. Furthermore, a marginal reversed effect of formality (more fixation proportions on the formality mismatching vs. matching objects) was found. Possible reasons of the reversed effects are presented, such as inhibition mechanisms or surprise effects. Furthermore, an interaction of age with formality could be found, i.e., the younger participants had a higher tendency to fixate on the informal picture when hearing the formal context sentence than the older age group. This might be due to contextual reasons e.g., personal backgrounds or setting of the experiment. Descriptive referential effects could be found for the object noun region, since participants fixated more on the objects that matched (vs. mismatched) the noun that was said. However, when the said object noun mismatched (vs. matched) the verb-argument congruence, later fixations on the said word could be observed. In the condition of situation-register mismatch (vs. match) and verb-argument match (vs. mismatch), more fixations on the situation-register matching (vs. mismatching) objects could be observed, which indicates a descriptive tendency of a situation- register effect, but only for the older age group. This pattern could not be observed in the younger age group. No statistically significant effects could be found for the object noun region. At the end, possible explanations for the results are provided and an outlook is given for future studies.