“…Both studies found that personal attributes such as intelligence, marital status (unmarried), and previous Antarctic experience contributed to good performance. Crocq, Rivolier, and Cazes (1973) also found that intelligence affected adjustment but that age was not relevant. The International Biomedical Expedition to Antarctica (IBEA) study showed that prior polar experience, and not age, affected performance outcomes, although both affected stress and arousal levels (higher for the older participants) (Rivolier, Goldsmith, Lugg, & Taylor, 1988;Taylor & McCormick, 1985).…”