The first question a reader might ask is, “what does he mean by streams of research?” Well, a research stream may be defined as a series of related experiments or articles on one topic, each progressing to dig deeper, especially to discover new or unique information or to reach a new or more profound understanding: the best stream is programmatic and systematic, progressing from a hypothesis or conceptual mechanism, to fundamental, quantitative research. Ultimately, this stream may lead to an application. A vibrant stream does not end [adapted from and the . I hope this is made clear to the reader by the end of this monograph.
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