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This research seeks to investigate the relationship between knowledge diversity (KD) in software teams and project performance. Previous research has shown that member diversity affects team performance; most of that work, however, has focused on diversity in personal or social attributes, such as gender or social category. Current research targets at the knowledge level aim to facilitate the implementation of knowledge management in organizations.

A research framework was developed based on conflict theory and empirically tested on software teams in Taiwan.

It was found that KD increases task conflict, which in turn has significant positive effects on team performance and that value diversity (VD) increases relationship conflict, which in turn negatively affects team performance.

The findings indicate that task conflict can enhance team performance, while relationship conflict can reduce team performance. Therefore, it is important to maintain healthy relationships among team members.

This research concludes that KD is beneficial and that VD is harmful to project outcome in software development. It is, therefore, useful for managers to form teams whose members encompass a broad knowledge base.

This paper proposes a novel way to measure knowledge and VD in teams and reports the effects of these attributes on team performance. The work also shows that a proper level of task conflict in a software team is necessary for achieving high performance.

In this paper, the authors investigate the factors that explain US public support for military operation for the enemy's enemy, and argue that US public support for military defense could be attributed to three factors – whether such support aligns with US national interests, whether the public perceives the US enemy to be a threat and whether interventions and military assistance to the enemy's enemy garner moral grounds.

To find evidence of our claims, the authors conducted two survey experiments in 2018 and 2019 on Amazon.com's Mechanical Turk (MTurk) to see whether the ongoing trade war between the US and China (enemy) would alter the public's willingness to provide military assistance to Taiwan (enemy's enemy).

The authors first find that US national interests only matter when the public considers China's military to be not a threat when the US–China rivalry intensifies. In both waves, respondents were most likely to support for Taiwan's defense if they perceived China's military to be a major threat, followed by a minor threat and not a threat, respectively. Contrary to our theoretical expectation, the study does not find empirical support for moral factors.

Our research applies the survey experiments among the US public to gauge public support for the enemy's enemy (Taiwan), which generates unique and vital findings to foreign policymakers and international observers.