... features (Cardwell, 1996). Attention improves thinking procedures, through the process of concentration. The effort involved in maintaining concentration can be incredibly tiring (McNay, McCarty, & Gold, 2001). There is a restricted supply of attention at our disposal i.e. we cannot tune in to all factors demanding attentiveness simultaneously. Sustained attention in responding to a task is especially tiring. Boredom sets in after a very short time. It would be beneficial to investigate sustained attention given that accidents are frequently blamed on absent- minded errors (Bernstein, Penner, Clarke & Roy, 2003) or a failure to maintain sustained attention. The individual who accidentally puts the fabric conditioner in the fridge instead of the cupboard and the experienced aircraft pilot who inadvertently closes down all engines instead of the one that is on fire are both individuals who are undergoing absent-minded errors. However, one results in a minor inconvenience and ...

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