Effects of Anonymity and Evaluative Tone on Idea Generation in Computer-Mediated Groups
实验发现，匿名且面对批评的群体产生最多原创方案和评论，但方案质量和稀有度无差异；实名且得到支持的群体满意度最高，但原创方案最少。
A laboratory experiment was used to evaluate the effects of anonymity and evaluative tone on computer-mediated groups using a group decision support system to perform an idea-generation task. Evaluative tone was manipulated through a confederate group member who entered supportive or critical comments into the automated brainstorming system. Groups working anonymously and with a critical confederate produced the greatest number of original solutions and overall comments, yet average solution quality per item and average solution rarity were not different across conditions. Identified groups working with a supportive confederate were the most satisfied and had the highest levels of perceived effectiveness, but produced the fewest original solutions and overall comments.