منابع مشابه
Natural history , life history , and
We report on basic natural history, life history, and diet of Priapella chamulae (Poeciliidae) from Arroyo Tres, a small creek in Tabasco, southern México. The tertiary (adult) sex ratio was heavily female-skewed, female P. chamulae produced medium-sized offspring (~2.3 mg), one clutch at a time (i.e., showed no superfetation), and relied predominantly on yolk for embryo provisioning (Matrotrop...
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I recent years academic research has focused on understanding and modeling the survey response process. This paper examines an understudied systematic response tendency in surveys: the extent to which observed responses are subject to state dependence, i.e., response carryover from one item to another independent of specific item content. We develop a statistical model that simultaneously accou...
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This article presents a rereading of Buffon's Natural History in the light of the concepts of temporal reversibility and irreversibility. The goal is to determine to what extent Buffon introduces a transformationist concept of natural forms in this work. To that effect, the main points of classical natural history and the doctrine of preformed germs are analyzed. Subsequently, Buffon's use of t...
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In this chapter, we examine what has been written about Internet surveys in the literature, specifically Web and e-mail surveys. We address the topics of response rate, cost, timeliness, sources of error, and data quality.1 We compare two conventional survey modes, mail and telephone, with Internet survey modes. The other widely used conventional mode, face-to-face interviewing, is not addresse...
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The status of 18 patients presenting with ocular psychosomatic symptoms is reviewed 10 to 18 months after presentation. All the patients had been discharged after the examination and reassurance given at the initial interview. In 8 patients symptoms had completely ceased, but 10 patients retained their symptoms. Transitory, self-limiting symptoms were more commonly associated with anxiety and o...
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ژورنال
عنوان ژورنال: Science
سال: 1901
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.13.328.563