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Usecase Download Single Assessment

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Download Single Assesssment data with selected metadata

Summary

When viewing an assessment, user will be able to select zero or more metadata attributes to be included in a downloaded CSV file of the student response data.

Preconditions

  • User has located desired assessment in the web-based repository and has selected (checkbox) metadata items to be merged with response data
  • User has appropriate access rights for the metadata (assumed by the fact that they located the metadata)
  • User has appropriate access rights for the data

Basic Course of Events

  1. User checks box near desired metadata fields (question prompt, bloom level, keyword, etc...)
  2. Clicks download csv button
  3. System merges student response data and selected metadata fields into single tabular data set that looks something like:
assessmentquestionstudentresponsescoremetadata_field_1metadata_field_2......metadata_field_n
Midterm 111234A10understandingnatural selection......2007
Midterm 115678B0understandingnatural selection......2007
Midterm 121234c10knowledgeorganelle......2007

Notes

  • for metadata attributes that can have more than one value (keywords, for example):
    • each occurrence will be recorded in an additional column in the returned table
    • this can result in some sparse data if not all items have the same number of attribute values
    • column labeling looks like:
keyword_0keyword_1keyword_2keyword_3keyword_4
keyword_0keyword_1keyword_2keyword_3keyword_4
keyword_0keyword_1keyword_2keyword_3
keyword_0keyword_1keyword_2keyword_3
keyword_0keyword_1
keyword_0keyword_1keyword_2keyword_3keyword_4
keyword_0



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This particular version was published on 30-Nov-2007 09:37:43 PST by uid=leinfelder,o=NCEAS.