There are three types of boredom, all of which involve problems of engagement of attention. These include times when we are prevented from engaging in wanted activity, when we are forced to engage in unwanted activity, or when we are simply unable for some other reason to maintain engagement in an activity. Boredom proneness is a tendency to experience boredom of all types. This is typically assessed by the Boredom Proneness Scale. Recent research has found that boredom proneness is clearly and consistently associated with failures of attention. Boredom and its proneness are both theoretically and empirically linked to depression and similar symptoms. Nonetheless, boredom proneness has been found to be as strongly correlated with attentional lapses as with depression. Although boredom is often viewed as a trivial and mild irritant, proneness to boredom has been linked to a very diverse range of possible psychological, physical, educational, and social problems.