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An NSF EAGER project is funding the design and testing of a content model architecture for social science, a tool to package existing content in FOXML, and a series of useful prototypes of services that might be used with the objects. We've been documenting our work here http://techaticpsr.blogspot.com/search/label/eager but I'll include a few of the objects in picture form here, along with links to the same object stored in our test Fedora repository. 
Here's a container for social science research data (Content Model for social science research data ) 
Here is a container for documentation about the research data object (Content Model for social science research data documentation). We used a separate object since one documentation object can apply to more than one data object. 
And, last, here is an aggregate object, typically used to hold "study"-level metadata that will have relationships to the two objects above (Content Model for social science study )
