A researcher is interested in assessing the direct and indirect cost of  managing electronic health records, design a suitable questionnaire, by  including three questions each under the following scales or measurements: 

1. Nominal/categorical  

2. Ordinal  

3. Interval 

4. Ratio/continuous

Answer rating: 100% (QA)

Nominal A nominal scale describes a variable with categories that do not have a natural order or ranking You can code nominal variables with numbers if you want but the order is arbitrary and any calc... View the full answer