ABSTRACT

This chapter discusses basic experiments of several hybrid search tasks where observers look through a visual display for any of several targets, held in memory. Richard Shiffrin and Walter Schneider were particularly interested in the distinction between versions of hybrid tasks that involved 'consistent' versus 'variable mapping'. Observers must actually determine if an item in the visual display is a member of a set of items in some long-term memory store. Familiarity plays a very important role in accounts of recognition memory. Thus, it is worth saying a word about familiarity in hybrid search experiments. It also has three steps for visual search and memory search to interact in hybrid search. Response Time (RT) is the measure of interest and errors are rare. RT's are a linear function of the visual set size and a curvilinear function of the memory set size. Finally, hybrid search is a rich environment for examining the interactions of vision and memory.