Two studies investigated the effects of errors in German business letters written by Dutch students. Gaining insight into these effects is important since Germany and the Netherlands are one of the largest economically interdependent partnerships. One hundred and fifty-six German professionals rated letters with errors and letters without errors on comprehensibility, attitude toward text, writer organization, and behavioral intention. Errors negatively affected attitude toward text, writer, and organization. The second study investigated whether pragmatic, syntactical, lexical, and morphological errors elicited different effects on the same variables. Pragmatic and syntactical errors aroused negative effects and, therefore, deserve extra attention in class.

中文翻译：

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荷兰学生在德国商务信函中的错误对德国专业人士的影响

两项研究调查了荷兰学生撰写的德国商务信函中错误的影响。深入了解这些影响很重要，因为德国和荷兰是最大的经济上相互依存的伙伴关系之一。156 名德国专业人士在可理解性、对文本的态度、作者组织和行为意图方面对有错误和无错误的信件进行了评级。错误会对文本、作者和组织的态度产生负面影响。第二项研究调查了语用、句法、词汇和形态错误是否对相同的变量产生不同的影响。语用和句法错误会引起负面影响，因此在课堂上值得特别注意。