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There are 5 independent, although not mutually exclusive, styles used by military officers when making decisions: rational, intuitive, dependent, avoidant, and spontaneous (Scott & Bruce, 1995). The rational and intuitive styles are part of the cognitive style concept, whereas the conceptual foundation of the remaining 3 styles is less clear. The dependent and the avoidant styles were expected to be accompanied by increased levels of negative stress, while this was not expected of the remaining 3 styles. This hypothesis was put to test. Twenty-three male Swedish Army majors were asked to make decisions in 2 different military situations. Their decision styles were measured by the General Decision Making Style inventory (GDMS; Scott & Bruce, 1995). Saliva cortisol release indicated negative stress and was measured on 4 occasions: twice before, after the first decision, and after the second decision. The avoidant style was related to negative stress, as predicted. There was, however, no difference between the base-line measurements and the after-decision measurements, suggesting that officers with an avoidant decision style may, in general, have higher levels of cortisol secretion (i.e., being more of the worrying kind).

There are five different, although not mutually exclusive, styles exhibited by military officers when making decisions: rational, intuitive, dependent, avoidant, and spontaneous (Scott & Bruce, 1995). The purpose was to investigate if elected leaders of military planning teams had a different configuration of decision-making styles than their team members. Participants were 98 army captains organized in 16 brigade-level planning teams. The results indicate that team leaders tended to be more spontaneous and less rational, dependent and avoidant in their style configuration than their team members. One possible explanation is that the style configuration exhibited by many of the elected leaders comes through to others as forcefulness and decisiveness and that such a profile is in line with a general leadership culture. The results also provide support for the General Decision-Making Style inventory as a measurement of decision styles, because they suggest that the self-reports coincide with displayed, observable behavior.

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One basic assumption behind network-centric warfare (NCW) is that increased supply of information will reduce battlespace uncertainty and increase decision quality. The purpose of this study was to test this assumption. Swedish army captains formed 16 brigade-level planning teams and performed in a realistic planning task. Eight teams planned with access to NCW-similar (abundant) information on the enemy situation, and 8 teams planned using the information supply of today. Results showed a significant reduction in perceived uncertainty for the NCW-condition teams but no substantial differences in plan quality, plan confidence, plan variability, or planning time between the two conditions. These results indicate that even though more information may result in less perceived uncertainty among future military decision makers, an increased information supply needs to be coupled with changes in doctrine and training to provide a maximum benefit to the military planner.