et al in their study in 2001 randomly assigned 263 patients admitted to emergency department with severe sepsis or septic shock to receive either six hours of early goal-directed therapy (egdt) or standard therapy before admission to the intensive care. 130 were randomly assigned to egdt and 133 to standard therapy. demographic characteristic of patients were the same, but in hospital mortality...

Vocational education in high schools has frequently been stigmatized as an anachronistic, dead-end path for students. We use data from the National Education Longitudinal Survey of 1988 to examine claims that students on a vocational track would benefit from a more academically rigorous education. Clearly, selection bias confounds attempts to untangle the effects of academic tracking on income ...

Are countries with unregulated capital flows more vulnerable to currency crises? Efforts to answer this question properly must control for self-selection bias, because countries with liberalized capital accounts may also have sounder economic policies and institutions that make them less likely to experience crises. We employ a matching and propensityscore methodology to address this issue in a...

When we see a stranger's face we quickly form impressions of his or her personality, and expectations of how the stranger might behave. Might these intuitive character judgements bias source monitoring? Participants read headlines "reported" by a trustworthy- and an untrustworthy-looking reporter. Subsequently, participants recalled which reporter provided each headline. Source memory for likel...

williams, watts, macleod and mathews' (1988) model of anxiety and depression leads to the prediction that anxious patients will show mood – congreuent implicit memory bias, while depressed patients will show mood-congruent explicit memory bias.although this prediction has been supported by some researchers (denny & hunt, 1992 mathews, moog, et al , 1989 watkins, et al, 1992), the reliabili...