Understanding Levels of Research

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KnowledgeBases > Understanding Levels of Research

Scientific research is classified into three levels, experimental, quasi-experimental and supplemental. The following definitions apply to each.

Levels of Research
Scientifically based (Experimental) Research - "The Gold Standard"	Is quantitative in nature Determines potential links between practice or program and student achievement Controls all the: Environment Intervention (program or practice) Subject selection
Promising (Quasi-experimental) Study - "The Silver Standard"	Is quantitative in nature Can not determine causality Controls all but one of the following: Environment Intervention (program or practice) Subject selection May suggest evidence of effectiveness
Supplemental Research - "The Bronze Standard"	Includes quantitative and qualitative designs Effects on student achievement cannot be attributed to the intervention (program or practice)

Source:

The materials offered were developed by the National Clearinghouse for Comprehensive School Reform, staff from Regional Educational Laboratories and Comprehensive School Reform Coordinators from select state education agencies.
The content was presented at the former Region VII Comprehensive Center's Schoolwide Institute by Belinda Biscoe, Ph.D., Director, April 2003.

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KnowledgeBases > Understanding Levels of Research

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