Interpersonal mistreatment is a common and often devastating occurrence in the workplace. Although victim characteristics are an important determinant of who is targeted, research examining the link between target characteristics and interpersonal mistreatment is limited. Researchers have not considered employees’ interpersonal style as an antecedent of the mistreatment they experience from others. Further, very few studies have attempted to understand the mediating processes underlying the relationships between victim characteristics and workplace interpersonal mistreatment. The current study addresses these needs by examining employee popularity as a mediator of the relationship between political skill and two forms of interpersonal mistreatment: workplace interpersonal conflict and workplace ostracism. Results indicate that the political skill–interpersonal mistreatment relationships were mediated by employee popularity.

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The goal of this study was to test cross-cultural/cross-national differences in the association between coworker interpersonal justice and coworker conflict and the implications of such differences for employee effectiveness. Harmony is a central value in China but is less important in the United States, and the individual value of harmony may influence Chinese and US employees differently in their response to low levels of coworker interpersonal justice. We collected data from employees and their coworkers in China (214 dyads) and the US (301 dyads). There were three major findings. First, coworker interpersonal justice was negatively related to coworker conflict. Second, coworker conflict significantly mediated coworker interpersonal justice in relation to the employee effectiveness variables of task performance, organisational citizenship behaviours, and counterproductive work behaviours. Finally, in the Chinese sample, harmony significantly buffered the indirect effect of coworker interpersonal justice on employee effectiveness via coworker conflict, whereas in the US sample, harmony significantly intensified the indirect effect of coworker interpersonal justice on employee effectiveness via coworker conflict.

Dimethyl phthalate (DMP) is a widespread environmental contaminant that poses potential toxicity risks for animals and humans. However, the toxicological effects of DMP on fish have not been adequately examined. In this study, the acute toxicity, oxidative damage, antioxidant enzyme activities, and relative gene expression patterns were investigated in the liver of adult zebrafish (Danio rerio) exposed to DMP. We found that the lethal concentration (LC50) of DMP for zebrafish after 96 h of exposure was 45.8 mg/L. The zebrafish that were exposed to low, medium and high concentrations of DMP (0.5, 4.6, and 22.9 mg/L, respectively) for 96 h had an increased malondialdehyde (MDA) content and a lower antioxidant capacity compared with the control solvent group. The total superoxide dismutase (SOD) activity was significantly higher than 0 h after initial exposure for 24 h at low concentrations, and then decreased at high concentrations after exposure for 96 h. The catalase (CAT) and glutathione S-transferase (GST) activities were significantly reduced after 96 h of exposure to high concentrations of DMP, with the up- or down-regulation of the related transcriptional expression. These findings indicated that DMP could cause physiological effects in zebrafish by disturbing the expression levels of antioxidant enzymes. These results might contribute to the identification of biomarkers to monitor phthalate pollution.

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