1,477 research outputs found

    AUTOPLAN: A PC-based automated mission planning tool

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    A PC-based automated mission and resource planning tool, AUTOPLAN, is described, with application to small-scale planning and scheduling systems in the Space Station program. The input is a proposed mission profile, including mission duration, number of allowable slip periods, and requirement profiles for one or more resources as a function of time. A corresponding availability profile is also entered for each resource over the whole time interval under study. AUTOPLAN determines all integrated schedules which do not require more than the available resources

    Cognitive and affective components of challenge and threat states

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    We explored the cognitive and affective components of the Theory of Challenge and Threat States in Athletes (TCTSA) using a cross-sectional design. One hundred and seventy-seven collegiate athletes indicated how they typically approached an important competition on measures of self-efficacy, perceived control, achievement goals, emotional states and interpretation of emotional states. Participants also indicated to what extent they typically perceived the important competition as a challenge and/or a threat. The results suggest that a perception of challenge was not predicted by any of the cognitive components. A perception of threat was positively predicted by avoidance goals and negatively predicted by self-efficacy and approach goals. Both challenge and threat had a positive relationship with anxiety. Practical implications of this study are that an avoidance orientation appeared to be related to potentially negative constructs such as anxiety, threat and dejection. The findings may suggest that practitioners and researchers should focus on reducing an avoidance orientation, however the results should be treated with caution in applied settings, as this study did not examine how the combination of constructs exactly influences sport performance. The results provided partial support for the TCTSA with stronger support for proposed relationships with threat rather than challenge states

    Adolescents\u27 Behavior in the Presence of Interparental Hostility: Developmental and Emotion Regulatory Influences

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    Within-family covariation between interparental hostility and adolescent behavior across three interactions over a 2-year period was explored in a sample that included 37 typical adolescents and 35 adolescents recently hospitalized for psychiatric difficulties. More interparental hostility across the three interactions was associated with more adolescent hostility and more positive engagement (at a trend level) regardless of psychiatric background. Parent-to-child hostility in each interaction mediated the link for adolescent hostility but not for positive adolescent engagement. Emotion regulation capacities and age were linked to variability in adolescents\u27 behavior in the presence of interparental conflict. In interactions with more interparental hostility, adolescents with greater capacity to tolerate negative affect were more likely to show increased positive engagement, and adolescents who were better able to modulate their emotional expression were less likely to show increased hostility. Covariation between interparental and adolescent hostility across the three family interactions decreased as the adolescent aged. These findings are consistent with the theory that exposure to inter-parental hostility is emotionally disequilibrating, and that adolescent responses may reflect differences in emotion regulation and other developmentally based capacities. Gender and variations across families in overall levels of hostile parenting were also linked with adolescent behavior in the presence of interparental hostility

    Adolescents\u27 Behavior in the Presence of Interparental Hostility: Developmental and Emotion Regulatory Influences

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    Within-family covariation between interparental hostility and adolescent behavior across three interactions over a 2-year period was explored in a sample that included 37 typical adolescents and 35 adolescents recently hospitalized for psychiatric difficulties. More interparental hostility across the three interactions was associated with more adolescent hostility and more positive engagement (at a trend level) regardless of psychiatric background. Parent-to-child hostility in each interaction mediated the link for adolescent hostility but not for positive adolescent engagement. Emotion regulation capacities and age were linked to variability in adolescents\u27 behavior in the presence of interparental conflict. In interactions with more interparental hostility, adolescents with greater capacity to tolerate negative affect were more likely to show increased positive engagement, and adolescents who were better able to modulate their emotional expression were less likely to show increased hostility. Covariation between interparental and adolescent hostility across the three family interactions decreased as the adolescent aged. These findings are consistent with the theory that exposure to inter-parental hostility is emotionally disequilibrating, and that adolescent responses may reflect differences in emotion regulation and other developmentally based capacities. Gender and variations across families in overall levels of hostile parenting were also linked with adolescent behavior in the presence of interparental hostility

    Panel Two: Information Policy Making

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    The second panel of From Conduit to Content: The Emergence of Information Policy and Law addresses the government\u27s response to the policy making challenges presented by information. Panelists from the government and academia explore the question: How has, and how should, the policy-making process respond to the diversity of issues, interests, and policymakers? Participants include Fred H. Cate, Allen S. Hammond, Bruce W. McConnell, Michael Nelson, Janice Obuchowski, and Marc Rotenbergaddresses the government\u27s response to the policy making challenges presented by information. Panelists from the government and academia explore the question: How has, and how should, the policy-making process respond to the diversity of issues, interests, and policymakers? Participants include Fred H. Cate, Allen S. Hammond, Bruce W. McConnell, Michael Nelson, Janice Obuchowski, and Marc Rotenberg. From Conduit to Content: The Emergence of Information Policy and Law. The Annenberg Washington Program. Friday, March 3 1995, Washington, D.C

    Reading Others’ Emotions: The Role of Intuitive Judgments in Predicting Marital Satisfaction, Quality and Stability

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    This study examined links between emotion expression in couple interactions and marital quality and stability. Core aspects of emotion expression in marital interactions were identified using naïve observational coding by multiple raters. Judges rated 47 marital discussions using 15 emotion descriptors. Coders’ pooled ratings yielded good reliability on four types of emotion expression: hostility, distress, empathy, and affection. These four types were linked with concurrent marital satisfaction and interviewer ratings of marital adjustment, as well as with marital stability at 5-year follow-up. The study also examined the extent to which naïve judges’ ratings of emotion expression correspond to “expert” ratings using the Specific Affect Coding System (SPAFF). The unique advantages of naïve coding of emotion expression in marital interaction are discussed

    Panel Two: Information Policy Making

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    The second panel of From Conduit to Content: The Emergence of Information Policy and Law addresses the government\u27s response to the policy making challenges presented by information. Panelists from the government and academia explore the question: How has, and how should, the policy-making process respond to the diversity of issues, interests, and policymakers? Participants include Fred H. Cate, Allen S. Hammond, Bruce W. McConnell, Michael Nelson, Janice Obuchowski, and Marc Rotenbergaddresses the government\u27s response to the policy making challenges presented by information. Panelists from the government and academia explore the question: How has, and how should, the policy-making process respond to the diversity of issues, interests, and policymakers? Participants include Fred H. Cate, Allen S. Hammond, Bruce W. McConnell, Michael Nelson, Janice Obuchowski, and Marc Rotenberg. From Conduit to Content: The Emergence of Information Policy and Law. The Annenberg Washington Program. Friday, March 3 1995, Washington, D.C

    Designing multiplayer games to facilitate emergent social behaviours online

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    This paper discusses an exploratory case study of the design of games that facilitate spontaneous social interaction and group behaviours among distributed individuals, based largely on symbolic presence 'state' changes. We present the principles guiding the design of our game environment: presence as a symbolic phenomenon, the importance of good visualization and the potential for spontaneous self-organization among groups of people. Our game environment, comprising a family of multiplayer 'bumper-car' style games, is described, followed by a discussion of lessons learned from observing users of the environment. Finally, we reconsider and extend our design principles in light of our observations
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