Exercise #3

During a clinical interview, survivors of a tornado are asked to state “no” or “yes” to whether they have experienced specific symptoms of Post-Traumatic Stress Disorder (PTSD) in the past week.  The number “0” is assigned to “no” and the number “1” is assigned to “yes”.

 

Choose the appropriate scale of measurement

	Nominal
	Ordinal
	Interval
	Ratio
	Approximately Interval