Thursday, March 25, 2010

Assessment Tool---Rubrics

After last post, some friends want to know more about the evaluation tools. today i will introduce one of the tools---Rubrics. It is a tool that i am not familiar with before, so i searched for the information and now share with you.

What is rubric?

  • A printed set of scoring guidelines for evaluating a performance or a product and for giving feedback.
  • An authentic assessment tool used to measure students' work.
  • A way to let a student know --
    • How his/her work will be judged.
    • The difference between good work and weaker work.
    • A working guide for both students and teachers.

Of course, it also can be used for assessing or evaluating the website.

What are the critical components of a rubric?

  • A title which describes the purpose of the rubric.
  • Performance Element: the major objectives, critical task or attributes to be completed.
  • Scale: the possible range points to be assigned (high to low)
  • Criteria: the condition of a performance that must be met for it to be considerede successful
  • Standard: a description of how well the criteria must be met for the performance to be considered "good."
  • Descriptors: statements that describe each level of the performance.
  • Indicators: specific, concrete examples of tell-tale signs of what to look for at each level of the performance.

What should a good rubric do?

  • Address all relevant content and performance objectives.
  • Define standards and help students achieve them by providing criteria with which they can evaluate their own work.
  • Be easy to understand and use.
  • Be applicable to a variety of tasks.
  • Provide all students with an opportunity to succeed at some level.
  • Yield consistent results, even when administered by difference scorers.
  • Be useful for student feedback (formative assessment).

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