Ordinal levels of measurement assume the following...

	a)	Mutual exclusivity to all cases.
	b)	Exhaustiveness is applied to all cases.
	c)	Categories are rank-ordered and share some underlying quality.
	d)	All of the above.
Correct! For more information on this topic see p.54, 3.2.2. Sorry that answer is incorrect, please try again. See p.54 3.2.2 for more information.Your answer has been saved.

Categorical measures are forms of measurement classified as...

	a)	Measures that reflect quantitative differences.
	b)	Measures that reflect qualitative differences.
	c)	Measures that do not require mutual exclusivity or exhaustiveness when devising a measuring system.
	d)	All of the above.
Correct! For more information on this topic see p.53 3.2. Sorry that answer is incorrect, please try again. See p.53 3.2 for more information.Your answer has been saved.

Interval measures reflect the following...

	a)	The distance between each participant's individual scores.
	b)	More or less of some underlying dimension.
	c)	An individual's score from zero upwards.
	d)	All of the above.
Correct! For more information on this topic see p.56, 3.2.2. Sorry that answer is incorrect, please try again. See p.54 3.2.2 for more information.Your answer has been saved.

In which way does a ratio scale measurement differ from an interval measurement?

	a)	It implies the existence of an absolute zero value.
	b)	It measures larger or smaller scores on some underlying dimension.
	c)	It requires the mutual exclusivity of all cases.
	d)	It requires that exhaustiveness is applied to all observations.
Correct! For more information on this topic see p.56, 3.2.4. Sorry that answer is incorrect, please try again. See p.54 3.2.4 for more information.Your answer has been saved.

Which of the following statements is false?

	a)	Discrete variables allow measurement of an infinite number of fractions of units of measurement.
	b)	Discrete variables can only have whole number values.
	c)	Continuous numbers can only have whole number values.
	d)	Continuous measures do not allow for scores that fall between two number values.
Correct! See p.58, What is measurement error? Section 3.3 for more information. Sorry that answer is incorrect, please try again. See p.58, What is measurement error? Section 3.3 for more information. Your answer has been saved.

What is measurement error?

	a)	Discrepancies between the observed and actual value of the measurement.
	b)	An error of measurement that may be either positive or negative.
	c)	An error of measurement that may be reduced by using a more accurate method.
	d)	All of the above.
Correct! For more information on this topic see p.59, 3.4. Sorry that answer is incorrect, please try again. See p.59, 3.4 for more information.Your answer has been saved.

Occasionally, researchers will change or collapse ordinal measures into categorical ones. Though this practice is discouraged, which of the following reasons may appear to justify collapsing the data in this way?

	a)	To use simpler statistical methods.
	b)	To construct graphs and tables of the data.
	c)	Belief that the existing measurements are not particularly valid or accurate.
	d)	All of the above.
Correct! See p.61, 3.5 for more information on this topic. Sorry that answer is incorrect, please try again. See p.61, 3.5 for more information on this topic.Your answer has been saved.