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Assessing the Validity of Evaluation Research by Means of Meta-Analysis. Case Illustrations from Road Safety Research
| 题名： | Assessing the Validity of Evaluation Research by Means of Meta-Analysis. Case Illustrations from Road Safety Research |
| 作者： | Elvik, R. |
| 关键词： | Meta-analysis##Transportation safety##Validity##Roads##Criteria##Evaluation##Foreign technology## |
| 摘要： | This dissertation is based on seven appended papers, all published in scientific journals. The main research problem discussed in the dissertation is whether meta-analysis can be used to assess the methodological quality of evaluation studies. Illustrations of the use of meta-analysis for this purpose are given. The illustrations have been taken from road safety research. The dissertation discusses the concept of validity and proposes a set of formal criteria of validity for use in assessing the quality of evaluation studies. A distinction is made between four types of validity: Statistical conclusion validity, theoretical validity, internal validity, and external validity. Twenty criteria of validity are proposed, of which nine criteria concern statistical conclusion validity, four refer to internal validity, and three refer to external validity. |
| 总页数： | 220 |
| 报告类型： | 科技报告 |
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