The phrase "aggregated education" is correct and usable in written English.
It can be used to describe a form of education that combines or consolidates various educational resources, methods, or data.
Example: "The new curriculum focuses on aggregated education, bringing together online resources, traditional teaching, and hands-on experiences."
Alternatives: "combined education" or "consolidated learning".
Do we find the same differences in skills across countries already identified in the OECD reports when looking at detailed rather than highly aggregated education levels and controlling for a wide range of individual level variables?
However, we know from previous research that such highly aggregated education measures may not be valid measures of attainment within countries (Müller and Klein 2008), and may, as a consequence, be cross-nationally not actually comparable (Schneider 2010).
Such a correlation may explain the change between models in the effect of aggregate education.
The interpretation of the negative effect of aggregate education in Model 2 is not unambiguous.
Aggregate education is defined as the proportion of persons with some tertiary education in a given calendar year.
If this suspicion is correct and there is a correlation between aggregate education and the normative climate in the community, we will observe a positive effect of aggregate education in Model 1 that is spurious.
According to Model 2, an increase in aggregate education leads to a marked decrease in the divorce rate.
One possible explanation for the result for aggregate education is that it emerges due to social imitation.
A third and final interpretation of the effect of aggregate education is connected to differences in actual marriage market conditions by spouses' education levels.
One example of this type of change is the parameter estimate for aggregate education, which again emerges as a significant predictor of divorce.
Once the economic circumstances in the community are perfectly controlled, however, this economic component of aggregate education should not be relevant.
