When we make decisions, we rely too heavily (or anchor) on one trait or piece of information. Especially when the situation is unknown, we tend to appraise information based on a single known anchor from which we then make relative adjustments.
(More info on A Collaborative ... (more)
The affect heuristic is a heuristic in which current affect influences decisions. The emotion your in influences your decision making and judgement.
From the article Attractive Things Work Better from DA Norman: Positive affect makes people more tolerant of minor difficulties and more flexible and creative in finding solutions. Products designed for more relaxed, pleasant occasions can enhance their usability through ple... (more)