Implementing case-based learning in the

classroom may be uncomfortable at first for

the teacher who is not very familiar with the

approach. Evaluating student performance

may be even more uncomfortable.  It may

be just as distressing to the students who

are used to traditional multiple choice or fill-in-the-blank tests and for parents who may not understand how their student will be assessed on such open-ended assignments.

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   The assignments and the class instruction are more open-ended and student-centered than in traditional lecture instruction, but with careful lesson planning and preparation case-based learning assessments can be accurate, efficient, and fair.

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   The most important strategy in effectively assessing student achievement is to establish standards of expectation at the beginning of the lesson or unit. This should be done for every type of instruction that results in assessment, so it is certainly not unique to case-based learning. It may, however, be even more essential to reducing the anxiety of a very different approach (if this is new to your classroom).

 

   As with any instructional strategy, it is important to identify and align the learning objectives and assessments before you begin classroom implementation. Assessment should involve evaluating more than factual recall; it should include assessing student application of knowledge and skills to the ill-structured problem presented in the case, collaborative skills of working in a team, and communication of science principles.

 

   The table below defines the learning characteristic, the standard, and some criteria for assessing case-based learning outcomes. (Source:  Wasserman, S. (1994). Introduction to case method teaching: A guide to the galaxy. New York: Teachers College Press.) (Although this table was specifically designed for case-based learning assessments, it can be adapted for problem-based learning assessments as well.)

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   The table presents concrete evaluative factors to consider. Some teachers may want to choose the characteristic and then use a standard rubric form in which incremental ratings are assigned and descriptions of standards are given.  No matter what you form you choose for assessment, it is a good idea to review the form with your students prior to their work.

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