To clarify design requirements of usable notification for workers, we examined the effect of motion in peripheral visual field and auditory signal to relate between awareness and concentration of work with conveyance of meaning by multi indices. Nine participants performed dual task including mental arithmetic task on the front display and awareness task on the peripheral sub-display, and were evaluated by psychological and behavioral indices. In the awareness task, participants were presented motion stimuli of a character that had three kinds of motions: “instant,” “fade-in,” and “expansion.” In addition, they were presented simultaneously pure tone auditory signal in half of conditions. The results showed that a significant positive correlation was found between performance of awareness task in peripheral visual field and mental arithmetic task in central visual field in conditions with no auditory signal, and motion of expansion caused superior awareness, concentration of work, and conveyance of meaning of approached sense. On the other hand, in conditions with auditory signal, awareness was generally high but motion of expansion particularly got less concentration of work because of the possibility of exceeded awareness, therefore we should consider the use of combination of notification with high attentional motion and auditory signal.

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