Exam 11: Measurement of Variables: Operational Definition

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?

A nominal scale is always dichotomous.

Temperature is a variable with an interval scale.

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

Operationalizing is making a variable measurable.

What is the operationalization of a variable?

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.

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

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