Effects of Information Source, Pedigree and Reliability on Operators' Utilization of Decision Support Systems

In Study 2 we examined participants' utilization of and post hoc trust in the above sources of advice and pedigree levels after their objective experience of advisers' diagnostic accuracy (high vs. low) in an airline luggage-screening task. Biases toward automation (observed in Study 1) led to greater dependence on 'novice' automated aids than on 'novice' human advisers. However, biases in favor of automation broke down when automated aids believed to be 'experts' generated errors, leading to a significant drop in compliance/reliance on 'expert' automation relative to 'expert' humans. Contrary to the results of Study 1, perceived reliability of advice was significantly influenced by the interaction of source and pedigree, while subjective trust was always higher in automaton than in humans. The results have important implications for the development of theoretical models of operator interaction with decision aids, while providing a reference point for deriving optimal indices of user dependence on decision support systems.

Name thesis:degree_name

Ph.D.

Level thesis:degree_level

Dissertation

Discipline thesis:degree_discipline

Psychology

Grantor

University of Illinois at Urbana-Champaign

Year dc:date

2015

Author dc:creator

• Madhavan, Poornima

Contributors dc:contributor

• Douglas A. Wiegmann

• Psychology, Industrial

Language dc:language

eng

Identifier

(MiAaPQ)AAI3199077

OAI identifier oai:identifier

oai:www.ideals.illinois.edu:2142/82094