Variables that influence binomial completion (Eaton & Newman, 2018)

Purpose: The goal of this research was to institute an evidence base behind commonly used elicitation materials known as binomials (e.g., “day and night”) that are commonly used for persons with aphasia (PWAs). The study explored a number of linguistic variables that could influence successful binomial completion in nonaphasic adults and PWAs.Method: Thirty nonaphasic adults and 11 PWAs were asked to verbally complete 128 binomials; responses were scored by accuracy and reaction time. Binomials were coded according to the following independent variables: frequency of usage, phonological (e.g., alliteration, rhyme) and semantic (i.e., antonymy) relationships, grammatical category of the response, and number of plausible binomial completions.Results: Regression analyses demonstrated that, for both groups, greater accuracy was predicted by presence of antonymy and absence of a phonological relationship. Though reaction time models differed between groups, items that elicited a greater number of response options led to longer latencies across participants.Conclusion: Findings suggest that clinicians consider antonymy as well as the number of plausible responses for a given prompt when adapting the level of difficulty for their clients. Results also contribute to broader interdisciplinary research on how automatic language is processed in adults with and without neurogenic communication disorder.Supplemental Material S1. List of binomials.Supplemental Material S2. Sample coding of binomials. Eaton, C. T., & Newman, R. S. (2018). Heart and ____ or give and ____? An exploration of variables that influence binomial completion for individuals with and without aphasia. American Journal of Speech-Language Pathology, 27, 819–826. https://doi.org/10.1044/2018_AJSLP-17-0071

研究目的：本研究的目的是在通常被称为二项式（例如，“白天与黑夜”）的常用启发材料的基础上，建立实证基础。这些材料常用于失语症患者（PWA）。研究探讨了可能影响非失语成年人和失语症患者成功完成二项式的一系列语言变量。研究方法：30名非失语成年人和11名失语症患者被要求口头完成128个二项式；根据准确性和反应时间对回答进行评分。二项式根据以下独立变量进行编码：使用频率、语音特征（例如，押韵、同音）和语义关系（即反义词关系）、回答的语法类别以及合理的二项式完成数量。研究结果：回归分析表明，对于两组参与者，更高的准确性可以预测为反义词的存在和语音关系的缺失。尽管两组的反应时间模型存在差异，但引发更多回答选项的项目导致了参与者更长的潜伏期。研究结论：研究结果表明，临床医生在调整患者难度水平时，应考虑反义词以及特定提示的合理回答数量。研究结果还对如何处理成年人的自动语言，包括神经源性沟通障碍患者和无障碍患者的跨学科研究做出了贡献。补充材料S1：二项式列表。补充材料S2：二项式样本编码。Eaton, C. T.，& Newman, R. S.（2018）。心脏与______或给予与______？探究影响有和无失语症个体完成二项式的变量。美国言语-语言病理学杂志，27，819–826。https://doi.org/10.1044/2018_AJSLP-17-0071