An operational definition is ________
a) a statement that attempts to predict a set of phenomena and specifies relationships among variables that can be empirically tested
b) an organized system of assumptions and principles that purports to explain a specified set of phenomena and their interrelationships
c) the precise meaning of a term used to describe a variable, such as a type of behavior, that researchers want to measure
d) the principle that a scientific theory must make predictions that are specific enough to expose the theory to the possibility of disconfirmation
ANS: c
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