Chalkface Blog

The best teaching materials in the most practical format.

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Category: Yacapaca

  • Quiz authoring statistics video

    If you want to write really good quizzes, don’t expect to get them right first time. Here is a tool for monitoring results aggregated across all users. It helps you to spot questions that are not working for one reason or another, and to work out how to improve them.

  • 1000 teachers per day

    Yacapaca has just this minute hit 1000 teacher signing on in a single day, and I’m dancing around the room in glee.

  • Lots (and lots!) of new content in Yacapaca

    If you are a Yacapaca author you will know about this already; if not, you are in for a treat. After procrastinating for a full year, I have finally done the decent thing and allowed any teacher to make their own Yacapaca content public. The result is that we now have an astonishing 554 courses…

  • 25,000 teachers in Yacapaca

    Yesterday we hit a long-awaited milestone; 25,000 teachers are now Yacapaca members. Thanks everyone who has invested time and energy into our project and helped it grow over the last three years. For interest, the 30:1 student:teacher ratio we had when we started has remained remarkably constant; we now have just over 780,000 registered students.

  • Ebay's tragic error teaches us about assessment

    Ebay just announced that they are banning sellers from providing negative feedback on buyers. This solves the problem of ‘revenge feedback’, or the threat of it being used to bully buyers into accepting a bad deal. But it also breaks the symmetry of the system and denies essential protection to sellers. Out of the frying…