Disadvantages of Alternative Assessment
- Performance assessment for example indicates that somewhere between 8 to 16 trials of student performance may be necessary in order to obtain a reliable judgment (Alaska Education, 1996).
- Difficulties in getting a comparative data (Alaska Education, 1996).
- Alternative assessment allows student choice and negotiation and can find manifestation in range of heterogeneous devices therefore, it is not difficult for irrelevant variables to be used in making judgments about achievement (Maclellan, 2004).
- Difficulties in ensuring that assessment task elicits the skills underlying the performance in the domain
of interest to validate the task (Alaska Education, 1996)
- Construct driven where knowledge and skills to be assessed, guide the selection of the task and scoring procedures- high possibility of confusion when one interpretation of performance assessment rather than another is assumed (Maclellan, 2004).
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