Quantitative Methods

Primary scales of measurement:

|Qualitative variables |Non Metric |Nominal |
|They cannot be directly measured by numbers |Variables |Variables |
| | |(e.g. numbers assigned to runners) |
| | |Ordinal |
| | |Variables |
| | |(e.g. rank order of winners) |
|Quantitative variables |Metric |Interval |
|They can be measured by a serie of numbers |Variables |(e.g. performance rating on a scale from … to …) |
| | |Ratio |
| | |(e.g. time to finish in seconds) |

Descriptive statistics & bivariate analysis:

One information for each respondent or many information to be treated separately ( univariate analysis.

( Statistics associated with univariate analysis:

|Measures of Location