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Two experiments examine how collaboration influences visual search performance. Working with a partner or on their own, participants
reported whether a target was present or absent in briefly presented search displays. We compared the search performance of
individuals working together (collaborative pairs) with the pooled responses of the individuals working alone (nominal pairs).
Collaborative pairs were less likely than nominal pairs to correctly detect a target and they were less likely to make false
alarms. Signal detection analyses revealed that collaborative pairs were more sensitive to the presence of the target and
had a more conservative response bias than the nominal pairs. This pattern was observed even when the presence of another
individual was matched across pairs. The results are discussed in the context of task-sharing, social loafing and current
theories of visual search. 相似文献
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