Exam 10: The Concept of Measurement

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A problem often encountered with rules is a lack of clarity or specificity.

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True

A scale that gives you a different weight every time you step on suffers from poor:

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D

A nominal scale provides the researcher with metric data.

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False

When few differences in scores are found between the first and second administration of a test,the test is said to have _________.

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An ordinal scale can be used when the researcher is interested in knowing which brand a consumer prefers in a product category.

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Ordinal scales help determine equality or inequality.

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Interval scales are preferable to ordinal scales when the researcher wants to know the magnitude of differences between two brands.

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Revise the following assessment of customer satisfaction for Jim Dandy's Hamburger Joint so that content validity is achieved. Please indicate your satisfaction with Jim Dandy's Hamburger Joint using a scale of 1=very satisfied,2=somewhat satisfied,and 3=not satisfied. ____a. location of the restaurant ____b. cleanliness of restrooms ____c. friendliness of staff ____d. speed of service ____e. restaurant cleanliness ____f. availability of condiments ____g. efficiency of drive-up window ____h. hours of operation

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Content validity answers the question: does the scale provide adequate coverage of the topic under study?

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____________________ are/can be a source of measurement differences that produces random or systematic error.

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Ratio and Interval scale data can both produce data in which arithmetic means and metric measures of dispersion can be computed.However,there are several important differences in these two levels of measurement.What are they?

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If a restaurant customer satisfaction questionnaire lacked a question concerning the quality of the food being served,we'd say the questionnaire lacked______ validity.

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Ranking questions generally produces ___________ level of measurement.

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A nominal scale partitions data into categories that are mutually exclusive and collectively exhaustive.

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Which of the following does not apply to an operational definition?

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A questionnaire could be reliable without being valid.

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A constitutive definition is similar to a dictionary definition.

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Some things are easier to measure because its rules are easier to create and follow.

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Which is the weakest form of validity?

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____________ are specific types of concepts that exist at higher levels of abstraction than do everyday concepts.

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