- How would you know when an instrument is valid?
- How would you know when an instrument is reliable?
I think that this quote says it all. Valid instruments must reflect what we expect the students to learn, they must provide hard evidence of that learning and they must align with the kind of learning (domain and levels within the domains). If the technique does not align with all of these factors it will not be valid nor reliable. Evaluation tools developed with thoughtful consideration will benefit our learners as they will understand what they are required to accomplish and ultimately what they have been able to accomplish. Well developed tools will benefit us as evaluators as it will be made easier to judge the work of our learners in a fair and credible manner.
C.
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