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Download full textVan der Walt, Johannes L. – Bulgarian Comparative Education Society, 2015
In this paper the author discusses how 21st century education researchers could and in his opinion, should approach the scientific description of the various entities that they might encounter. The word "entities" in pedagogical context refers to phenomena and structures such as "an education system", "education",…
Descriptors: Epistemology, Educational Methods, Conference Papers, Foundations of Education
Skidmore, Susan – Online Submission, 2008
Experimental designs are distinguished as the best method to respond to questions involving causality. The purpose of the present paper is to explicate the logic of experimental design and why it is so vital to questions that demand causal conclusions. In addition, types of internal and external validity threats are discussed. To emphasize the…
Descriptors: Research Design, Validity, Causal Models, Research Methodology
