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共检索到45条 ,权限内显示50条;
Designs for Measuring How the School Breakfast Program Affects Learning
- 关键词：
- School Breakfast Program effect of breakfast on cognition breakfast and learning academic achievement design study ECLS NHANES experimental designs statistical power nutrition and cognition
- 年份：
- 2001
- 摘要：
- This report describes a study design permitting a scientifically defensible ...
A Framework for Analyzing Technical Trade Barriers in Agricultural Markets
- 关键词：
- technical trade barriers sanitary and phytosanitary agricultural trade policy environmental trade measures
- 年份：
- 1999
- 摘要：
- and classification scheme to frame discussion and evaluation of such m ...
Evaluation of Fluid Milk and Cheese Advertising, 1984-96
- 年份：
- 1997
- 摘要：
- Generic advertising raised fluid milk sales an estimated 1.4 billion pounds, or ...
Federal Marketing Orders and Federal Research and Promotion Programs: Background for 1995 Farm Legislation
- 关键词：
- marketing orders research and promotion programs checkoff programs self-help programs generic advertising export promotion
- 年份：
- 1995
- 摘要：
- arch and promotion programs deal with governance of the programs and evaluat ...
Agricultural-Food Policy Review: Commodity Program Perspectives
- 年份：
- 1985
- 摘要：
- This review prepared for 1985 farm legislation provides an historical overview o ...
