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Wickens, Christopher D. Vincow, Michelle Anita 2015-09-25T20:39:55Z 2015-09-25T20:39:55Z 10000-01-01 1998 1998 The data revealed a strong influence of spatial ability on performance, suggesting that information navigation is more difficult for those with lower spatial ability. Tool and strategy choice likely played a role in the high variability observed in the data, but the flexibility allowed subjects in the current paradigm strengthens the generalizability of the findings. Finally, subjects did not always adjust their tool usage optimally depending on performance, instead an overuse of the map was observed. The implications of the findings for system design are described (supporting the use of an exocentric perspective and suggesting caution in the use of maps) and several future lines of research are presented. Made available in DSpace on 2015-09-25T20:39:55Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 9834755.pdf: 5367599 bytes, checksum: aff75c9e203aa29818d98bceb99ad780 (MD5) Previous issue date: 1998 Embargo set by: Seth Robbins for item 83523 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs U of I Only 160 p. Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1998. http://hdl.handle.net/2142/82242 (MiAaPQ)AAI9834755 eng Information Science Frame of Reference and Navigation Through Document Visualizations text Psychology Psychology University of Illinois at Urbana-Champaign Dissertation Ph.D.