نتایج جستجو برای: experimentation

تعداد نتایج: 19001  

Journal: :Science and Engineering Ethics 2015

Journal: :Proceedings of the Canadian Engineering Education Association (CEEA) 2013

Journal: :Scientific American 1889

Journal: :American Economic Review 2016

Journal: :Behavior Research Methods & Instrumentation 1972

ژورنال: دانشور پزشکی 2008
رستمی, فاطمه , فخاری, دکتر علی , محمدپوراصل, اصغر ,

  Introduction : Previous studies have suggested that early smoking initiation predicts longer duration of smoking, heavier daily consumption and increased chances of nicotine dependence. The goal of the present study was to examine the effect of psychological factors on three transitions in the adolescent smoking uptake process: from never smoking to experimentation and regular smoking, and fr...

2011
Chris Lovell Gareth L. Jones Steve R. Gunn Klaus-Peter Zauner

Characterising response behaviours of biological systems is impaired by limited resources that restrict the exploration of high dimensional parameter spaces. Additionally, experimental errors that provide observations not representative of the true underlying behaviour, mean that observations obtained from these experiments cannot be regarded as always valid. To combat the problem of erroneous ...

2013

Entrepreneurs must experiment to learn how good they are at a new activity. What happens when the experimentation is …nanced by a lender? Under common scenarios, i.e., when there is the opportunity to learn by "starting small" or when "no-compete" clauses cannot be enforced ex-post, we show that …nancing experimentation can become harder precisely when it is more pro…table, i.e., for lower valu...

2013
Nina PLANOJEVIĆ Dragica ŽIVOJINOVIĆ

BACKGROUND Participation in clinical trials can be useful for the health of a person, in who it is conducted, but it does not have to be - it can even be harmful. Therefore, primary motive to accept such risk is humanity and human wish to contribute to the progress of medicine; this is expressed by personal consent. The consent, however, can be an expression of personal humanity, and for this, ...

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