Exam 6: Measurement of Variables: Operational Definition

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Objects include:

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A

Examples of characteristics of objects are:

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Operationalizing a concept consists of delineating the reasons,antecedents,consequences,or correlates of the concept.

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Measurement is the assignment of numbers or other symbols to characteristics of objects according to a pre-specified set of rules.

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Operationalizing a variable precedes defining a variable.

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The construct 'hunger' is a typical example of a construct that must be operationalized because it is an abstract and subjective concept.

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Which of the following answers is a 'concept'?

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Operationalizing is done by looking at the behavioral dimensions,facets,or properties denoted by the concept.These are then translated into observable and measurable elements so as to develop an index of measurement of the concept.

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Attributes of objects that can be physically measured by some calibrated instruments pose no measurement problems.

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Reduction of abstract concepts to render them measurable in a tangible way is called operationalizing the concepts.

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A variable or construct must always be directly observable.

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Operationalizing is:

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You cannot measure objects;you measure _____________ of objects.

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