In an effort to increase the level of engagement with the EdTech development community, ADL has released a series of documents on the requirements for conformance and certification of learning applications. (For those who don’t know, ADL is the US government organization leading the development of specification standard xAPI.) The series will serve as a guide for prospective developers interested in building tools that support xAPI and are able to coexist in the open ecosystem of technologies used by students.
The xAPI standards allow developers to record learning and performance events that take place using their technology. The increasing availability of xAPI-compliant data from multiple sources has uncovered the need for central repositories. ADL has adopted the term “Learning Record Store” (LRS) for these repositories. An announcement in April shared a series of resources for developers of LRS to ensure products meet the specifications, most notably of all the LRS Specification Testing site at lrstest.adlnet.gov.
ADL has made available three documents that give further guidance for the compliance process of LRS:
- xAPI LRS Conformance Requirements Document: This includes a series of requirements and criteria for successful testing of LRS products looking to show compliance. It is the basis for the lrstest.adlnet.gov test suite.
- xAPI LRS Certification Requirements and Recommendations Document: A wider scope document, this one covers motivations and the roles of the community and ADL, as well as the goals of ADL’s xAPI LRS Certification Program.
- xAPI Profile Specification: The xAPI Profile sets the standard subject or context of measurement (for example, the individual learner). A profile lists every xAPI-compliant interaction recorded and can be managed as an object.
ADL’s efforts are ongoing, which means that the current versions of the documents made available are likely to change over time. In a way, this is expected as more members of the community get involved and find ways to make the conformance process more practical.
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