The more often you see an object, the easier it becomes to track it
نویسندگان
چکیده
منابع مشابه
Survey Measurement for when ‘You Know it When You See it’ and Others See it Differently
We address two long-standing problems in survey research. The first is how to measure concepts that we know how to define well only with reference to examples --freedom, political efficacy, pornography, health, etc. The normal advice methodologists give when hearing “you know it when you see it” is to tell the user to come up with a better, more precise theory, and then measurement will be stra...
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Those who yearn for a world in which policies are based on a systematic and dispassionate assessment of the evidence can find little encouragement in the ongoing debate about the safety of hospitals at weekends. Almost nothing is clear in this tangled tale. It began when the health secretary, Jeremy Hunt, claimed on the BBC Today programme that there were 6000 avoidable deaths each year and a l...
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The US Supreme Court, many state constitutions, and numerous judicial opinions require that legislative districts be “compact,” a concept assumed so simple that no definition is offered other than “you know it when you see it.” Academics, in contrast, have concluded that the concept is so complex that it has multiple theoretical dimensions requiring large numbers of conflicting empirical measur...
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Mammography is an important tool in the early detection of breast cancer. However, the perceptual task is difficult and a significant proportion of cancers are missed. Visual search experiments show that miss (false negative) errors are elevated when targets are rare (low prevalence) but it is unknown if low prevalence is a significant factor under real world, clinical conditions. Here we show ...
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ژورنال
عنوان ژورنال: Journal of Vision
سال: 2010
ISSN: 1534-7362
DOI: 10.1167/10.10.4