Effect of requirements specification using native language on external software quality

In the context of requirements specification in Global Software Development, aspects such as differences culture, language and schedule affect software development teams; however, we do not know effect these issues. Compare native with foreign concerning external quality. We conducted a controlled experiment one-factor two treatments within-subjects 17 experimental subjects. Wilcoxon test indicates that there is evidence to reject null hypothesis (p-value = 0.008); statistically significant difference. The quality value obtained superior produced language. size equals an absolute 0.45, which corresponds medium effect. used influences quality; using significantly increases result this research should be considered evaluate roles English skills GSD team members their on also suggest considering subjects laboratories since could influence results experiments.