Avoid antipatterns like blaming, groupthink, lack of follow-up, lack of structure, dominance, negativity, inaction, and solving symptoms in Agile retrospectives. Establish clear rules, encourage diversity of thought and proactive problem-solving, and focus on root causes for effective improvements.

A cognitive bias is a systematic error in thinking that occurs when we are processing and interpreting information in the world around us and affects the decisions and judgments that we make.

You might have heard of the (in)famous Dunbar's number, about the limit of the number of stable relationships we can maintain.