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Exam 11: Measurement of Variables: Operational Definition

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Question 1

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With which scale can we,for describing central tendency,determine the mode and the median,but not the mean?

A) A nominal scale.
B) An ordinal scale.
C) An interval scale.
D) A ratio scale.

E) A) and C)
F) A) and D)

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Question 2

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The difference between an ordinal and ratio scale is that the ordinal scale has an absolute zero point.

A) True
B) False

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Question 3

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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.

Army rank (such as soldier,corporal,sergeant,lieutenant etcetera)is a variable with an ordinal scale.

Operationalizing precedes the definition of a variable.

Operationalizing is making a variable measurable.

Temperature is a variable with an interval scale.

The operationalization of a construct means that there must be looked for as many related correlations,dimensions and elements of the construct as possible.

What is the operationalization of a variable?

A nominal scale is always dichotomous.

A sport shooter shoots from a distance of 10 meter 10 times on a cardboard.On this board the middle circle with 12 points has the highest value,and the outer circle with 1 point the lowest.Shooting next to the board yields 0 points.For every 10 shots the points are counted up to a total score.What scale has this total score if the shooter hits the board every time?