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When coding rating scale values, using a #scales Class, the regular code-based statistics handle each number as a counting value that can be summarized and are therefore usually not that what you need.
For those numeric codes an extra statistics report is available.
Note: This report can ONLY be applied to #scale Classes (putting a # in front of your Class name turns your Class into a scale-class. #scale Classes should only contain numbers).
For all Class names, starting with "#" and containing only numerical values, the scale specific analysis can be used:
▪Select Analysis - Evaluation - Statistics >Numerical Classes analysis from the menu.
This will result in a small results dialog like this:
Value declaration
oCount - Number of values logged for that Class
oSum - Summary of the numeric values for that Class
oAverage - Average rating for all scale ratings of this class (Sum / Count)
oDuration in seconds - Total duration of the Events with a value for this Class
oAverage Duration per Set - Duration in seconds / Count
Note: Only columns with numerical content can be calculated correctly!
Calculation Base
•All numerical values within a column are counted (text entries are ignored).
•All numerical values are summarized per Class column.
•Based on those results, the average values per behavioral Code is calculated.
•The duration for all Events with a numerical value , is summarized.
•This total duration per Class is divided by the number of numerical values. This way the average duration per behavioral Code and DataSet is provided.