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Factor structure and validation of the mental health checklist (MHCL) for use in isolated, confined and extreme environments

机译：用于隔离，限制和极端环境的心理健康清单（MHCL）的因子结构和验证

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Although human psychological risks gravely threaten the safety and success of future Mars missions, current knowledge of the mental health problems most likely to manifest during long duration space exploration (LDSE) is surprisingly inadequate. Previous research conducted during spaceflight and in analog settings has produced discrepant, sometimes contradictory findings and relied on measures that have not been validated for use in extreme environments, where the number, intensity, and duration of stressors exceed typical human experience. We therefore developed the Mental Health Checklist (MHCL) based on subject matter interviews and comprehensive literature reviews. In study one, exploratory and confirmatory factor analyses resulted in 3 reliable subscales (positive adaptation, poor self-regulation, and anxious apprehension) explaining 53% of the total variance. In study two, we examined the reliability and convergent validity of the MHCL in large sample of participants stationed in Antarctica. Findings suggest the MHCL to have acceptable psychometric properties for use in extreme settings. We encourage other researchers to incorporate the MHCL in future studies, including spaceflight research, and to examine its sensitivity for capturing infra-individual symptom changes over time.
机译：虽然人类心理风险严重威胁到未来火星任务的安全性和成功，但目前在长期空间勘探期间最有可能表现出的心理健康问题的现有知识（LDSE）令人惊讶地是不充分的。以前在空间和模拟环境中进行的研究产生了差异，有时矛盾的结果，依赖于在极端环境中尚未验证的措施，其中压力源的数量，强度和持续时间超过典型的人类体验。因此，我们根据主题访谈和全面的文学评论制定了心理健康清单（MHCL）。在研究中，探索性和确认的因素分析导致3个可靠的分量（积极适应，自我调节，焦虑令人担忧），解释总方差的53％。在研究中，我们研究了驻扎在南极洲的大型参与者样本中MHCL的可靠性和会聚有效性。调查结果表明MHCL可以在极端设置中使用可接受的心理测量属性。我们鼓励其他研究人员将MHCL纳入未来的研究，包括空间研究，并检查其对捕获Infra的敏感性随着时间的推移。

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