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pro vyhledávání: '"Wm. Albert Eckert"'
Autor:
Wm. Albert Eckert
Publikováno v:
The American Journal of Evaluation. 21:185-193
The critical role played by research design has been widely discussed among evaluators. Generally there is a consensus that experimental and certain quasi-experimental designs are preferable for their ability to eliminate or minimize threats to inter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::98b0a566c5641ec49298930c61fa4e0b
https://doi.org/10.1016/s1098-2140(00)00065-5
https://doi.org/10.1016/s1098-2140(00)00065-5
