Controlled experiments 

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Microsoft Word - cpbdoc91.doc
... , one could take into account the possibilities for a proper evaluation based on natural or controlled experiments. this is helpful to evaluate the causal impact of policy some time after its implementation ...
cpb.nl

Microsoft Word - memo122.doc
... of various education policy instruments. we focus on evaluation studies based on controlled and natural experiments. section 4 concludes and presents some suggestions for further research. 8 2 ... least if the research design is set up properly. experimental designs are based on controlled experiments in which the selection into treatment and control groups is determined completely at random ...
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ASN jrvrslg 2002 eng
... engineering to micro-orga- nisms will be considered acceptable provided that it takes place under controlled circumstances that limit the risks for people and the environment as far as possible ... to companies that are solely involved in the gambling industry. b) companies that use animal experiments extensively to develop their product(s). c) companies involved in factory farming. 4. although ...
asnbank.nl

DS3243_Jaarverslag
... genetic engineering to micro-organisms will be considered acceptable provided that it takes place under controlled cir- cumstances that limit the risks for people and the environment as far as ... to companies that are solely involved in the gambling industry. b) companies that use animal experiments extensi- vely to develop their product(s). c) companies involved in factory farming. 4. although ...
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