Abstract
ABSTRACTInsufficient effort has been made to investigate details of the diagnostic process, specifically information seeking and information integration. In this study, participants were asked to accomplish eight diagnostic tasks of locating the leaking position of some working material in a simulated nuclear power plant. The participants’ information seeking actions and possibility judgments about all potential leaking positions were recorded and then described using eight dependent variables concerning their gains and expenses. Generalized linear mixed-models were used to evaluate the effects of time pressure and the correlations. The results showed that (1) information seeking and information integration were closely correlated in multifaceted ways; (2) higher diagnostic accuracy was associated with fewer information acquiring actions but with longer average intervals between these actions; and (3) high time-pressure induced speed-and-accuracy trade-offs in the sub-processes, and the overall diagnostic speed and accuracy were negatively related between individuals, but positively related between trials
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