Fig 1.
Flowchart to visualise final approach.
Table 1.
Descriptive statistics to characterise the participants included in the model.
Fig 2.
The diagrams are scaled dependent on gender and test items. The x-axis represents the mean age of a measurement pair. The plots show on the y-axis the changes in measured values (Δ = t2-t1) in an annual interval for the respective test persons and test items. With reference to the point distribution, the percentile curves illustrated are obtained. Gradual gender-specific and item-specific differences in the dynamics of development can be observed.
Table 2.
Change centile tables scaled by gender, average age and test items, the longitudinal development between two measurement points within a year can be evaluated.