... are looking for an object is look out for pieces of relevant visual information. Yet somethings are easy to find whereas other items are not. This could be due to the presence of irrelevant objects or distractor items. An example of this could be looking for a child amongst a group of school children all wearing the same coloured uniform. In this case the distractor item could be the colour aspect which makes it harder to immediately spot that one child than if all the children were dressed differently. Thus it is apparent that a target with certain, distinct features, is easier to find than a target that blends in or has similarities with the distractor items surrounding it. The aim of this practical is to investigate some of the factors that affect how easily people can find a specified target amongst varying distractors. The investigation was based on the earlier ...

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