Individual differences in judgmental processes: Confidence in human knowledge, perception, and decision-making: Summary of procedures and preliminary findings

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Authors
  1. MacDonald, T.K.
Corporate Authors
Defence and Civil Inst of Environmental Medicine, Downsview ONT (CAN);Lethbridge Univ, Lethbridge ALTA (CAN)
Abstract
This report outlines the methodology and presents selected findings from a study that was designed to investigate how individual difference variables in decision-making influence judgment processes. Specifically, we assessed the extent to which three individual difference variables (Personal Need for Structure, Personal Fear of Invalidity, Need for Cognition) influenced speed, accuracy, and confidence in a number of decision-making tasks under varying degrees of uncertainty. One hundred and four participants (30 men and 74 women) were recruited from the University of Lethbridge. The participants completed a battery of questionnaires including the individual difference variables under consideration. Students were contacted and were invited to participate in two experimental sessions: In one session, they completed a series of computer-administered decision tasks (e.g., line length estimation, vocabulary, and trivia knowledge). In another session, the participants completed a military threat assessment task called TITANS (Team and Individual Tactical Assessment Networked Simulator), a medium fidelity computer-based naval surveillance and threat assessment task. Preliminary results reveal associations between the individual difference variables and speed, confidence, and accuracy in decision-making. TRUNCATED
Keywords
Cognitive styles;Individual differences
Report Number
DCIEM-CR-2000-109 — Contractor Report
Date of publication
10 Jan 2000
Number of Pages
21
DSTKIM No
CA010309
CANDIS No
514822
Format(s):
Hardcopy;Document Image stored on Optical Disk

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