所谓注意力,是衡量人们关注一个主题、一个事件、一种行为或信息的持久尺度。人们获取信息最常见的动机有四种,一是有效性信息,人们愿意接受对自己有效用的信息;二是支持性信息,支持性信息的理论假设是:人们对支持性信息有心理上的偏好,而趋向于回避非支持性或分歧的信息;三是刺激性信息,人们追求新颖性、不可预见性、变化和复杂性是由于它们包含固有的令人满意的东西;四是有必趣的信息,人们趋向于注意那些他们认为有趣的信 So-called attention is a measure of how long people focus on a topic, an event, a behavior, or information. The four most common motivations for people to access information, one is the validity of information, people are willing to accept the effective use of their own information; the second is supportive information, supportive information theory hypothesis is: people supportive information psychologically Preferences, and tend to avoid non-supportive or disagreeable information; Third, irritating information, the pursuit of people novelty, unpredictability, change and complexity because they contain inherently satisfying things; Fourth, it is interesting , People tend to pay attention to what they think is interesting