What’s the difference between session duration and attempt duration? Timestamp or Stored? When should you record time taken and how can you report it? This series of blogs will look specifically at duration and how to report on it. Let’s start our first blog by…
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We recently collaborated on a project to share statements between three LRSs by three different vendors. This three-part blog series outlines the project, explores some use cases for sharing statements and then dives into the technical details. You’ll find similar (but distinct) blogs by the…
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The prototypes have been with us since the beginning. Recently I’ve given them an update from a tracking design perspective. In the beginning, before xAPI version 0.9 and before you or I had even heard of xAPI, there were the prototypes. These example activities helped…
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On Tuesday, March 31st, 2015, we hosted a webinar about nine practical use cases of the Experience API (xAPI). As usual, the attendees had more questions than we could answer during the live webinar, so we’ve posted the questions and Andrew Downes' answers here. Q:…
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Sharing Documents successfully So far in this Deep Dive series on the Document API I’ve introduced you to the Document APIs in general and then looked in detail at each Document API in turn. In this final post of the series, we’ll explore two important complexities…
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// Agents, Personas and People So far in this Deep Dive series into the Document API we’ve looked at the State API and Activity Profile API. The Agent Profile API is similar to the Activity Profile API, but instead of Documents relating to Activities, it’s…
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For storing (and sharing) state! Last time we dived into the Document APIs as a whole. This time we dive deeper into the most well known and commonly used of the Document APIs, the State API. As there’s a lot of similarity between the State…
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What are the Document APIs and why should you care? xAPI’s Statements get a lot of attention and rightly so. Statements are the primary way of tracking the learner and set out a standard data structure for reporting tools to read. But Statements are not…
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The Activity Type property is optional, but shouldn’t be forgotten. One of the wonderful things about my job as a xAPI Evangelist working with adopters is that I get to see and comment on how people are using xAPI, and in particular, what data they’re…
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A word of caution to PHP developers and others about xAPI timestamps. My involvement in xAPI or Experience API specification has led me to explore a number of finer technical details that I never imagined existed. The specification is pedantically precise in places, and it…
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