Vinsamlegast notið þetta auðkenni þegar þið vitnið til verksins eða tengið í það: http://hdl.handle.net/1946/32721
The goal of this study was to investigate whether people are able to encode the probability distribution of targets in a visual search task and moreover, whether these encoded probabilities affect the strength of priming visual search. Participants saw a set of coloured diamonds with one corner cut off and searched for the diamond with the most distinct colour. The colour of the target diamond was drawn from either a uniform or a normal colour distribution with a predefined mean and variance over the course of separate blocks consisting of 144 trials each. Targets had various distances from the mean of the target colour distribution. Response time could therefore be used to reveal participants’ internal probabilistic representations of target colours.
We did not see a clear monotonic increase in search time as a function of the decreasing probability in the normal distribution, as was expected. However, the results show that difference in response time for different distances between the current target and the mean target of the target distribution is dependent on distribution shape. Thus, the results suggest that subjects were able to learn the shape of
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