Third, we were able to examine stability for individual developmental periods and whether differences were found for several moderators. Every effort was made to code effect sizes in the most straightforward way based on empirical associations that have been reported between different assessment strategies. However, some choices were made based on our best judgment. For example, the chosen developmental breaks at the ages of 3, 15, 30, and 60 are somewhat arbitrary. Shifting these values may have produced different results as this would reorganize the distribution of effect sizes. We would point to the substantial overlap of the preferred connected-linear models with that found with the exponential model as evidence that our break points correctly split the data.
