Variables in Research Designs

Authored by: Jay E. Gould

Concise Handbook of Experimental Methods for the Behavioral and Biological Sciences

Print publication date:  December  2001
Online publication date:  December  2001

Print ISBN: 9780849311048
eBook ISBN: 9781420040869
Adobe ISBN:


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Having formulated a meaningful research problem and hypothesis, the next step is to design a study, i.e., to develop a basic plan for gathering data to test the hypothesis or hypotheses. This chapter focuses on the variables of experimental designs, particularly the independent and dependent variables. Intervening variables, which are hypothetical constructs, are also covered. Extensive discussions of extraneous variables and their control in experiments occurs in Chapters 7 and 8; and detailed coverage of designs for experiments, with all their components, is presented in Chapters 9 and 10. The remaining steps of the scientific method are also addressed in later chapters, as listed at the beginning of Chapter 3.

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