TUTCRIS - Tampereen teknillinen yliopisto

TUTCRIS

On the costs of multiple trajectory pointing methods

Tutkimustuotosvertaisarvioitu

Yksityiskohdat

AlkuperäiskieliEnglanti
OtsikkoCHI 2011 - 29th Annual CHI Conference on Human Factors in Computing Systems, Conference Proceedings and Extended Abstracts
Sivut859-862
Sivumäärä4
DOI - pysyväislinkit
TilaJulkaistu - 2011
OKM-julkaisutyyppiA4 Artikkeli konferenssijulkaisussa
Tapahtuma29th Annual CHI Conference on Human Factors in Computing Systems, CHI 2011 - Vancouver, BC, Kanada
Kesto: 7 toukokuuta 201112 toukokuuta 2011

Conference

Conference29th Annual CHI Conference on Human Factors in Computing Systems, CHI 2011
MaaKanada
KaupunkiVancouver, BC
Ajanjakso7/05/1112/05/11

Tiivistelmä

Several enhanced pointing techniques aim to reduce the Fitts' law targeting distance by providing multiple target trajectories in the hope that a shorter path is available. However, these techniques introduce a search or decision component to pointing - users must examine the alternatives available and decide upon the trajectory to use. We analyse these difficulties, present a methodology for examining them as well as other behaviour issues, and report empirical results of performance with pointer wrapping and Ninja cursors. Results show that offering multiple trajectories incurs a significant search or decision cost, and that users are therefore poor at capitalising on the theoretical benefits of reduced target distance.