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Group collaboration was examined in item and associative recognition. The present study distinguishes between group effects versus collaborative processes and defines the latter as interactive information exchange among group members. By that definition, many group effects do not involve collaboration. For example, group performance can exceed individual(More)
Two experiments examined forced-choice associative recognition for OLAP and NOLAP test conditions. OLAP test trials consist of pairs with overlapping items (e.g., AB vs. AD), whereas NOLAP test trials contain no overlapping items (e.g., AB vs. CF). Previous results show better performance for NOLAP than for OLAP tests, contrary to the predictions of global(More)
The signature/sign time-series data format 19794-7:2007 was standardized in ISO/IEC JTC1 SC37 WG3. The format handles various data such as pen tip position (x,y,z), pen tip velocity (vx,vy), pen tip acceleration (ax,ay), pen tip force (f), pen azimuth (a), pen elevation (e) and so on. It is valuable that this data format enables different types of input(More)
For the purpose of secure signature verification, it is preferable to use small sized feature data which is stable between genuine signatures and difficult to be mimicked by illegal transactions. Although the turning points extracted from XY position and pressure of pen is one of efficient feature data, they are not suitable for printed signatures written(More)
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