Wednesday, February 25, 2009

Assessment for DE

Notes from the textbook.

A. Role of assessment
  • Acts as basis for instruction
  • Acts as a tool to achieve the desired learning outcome
  • Develop skills in learners (formative assessment).
  • Report success or failure (summative assessment).
  • Enhance motivation
  • Reinforce confidence

B. Characteristics of several types of assessment
  • Outcomes-based-assessment - (reflects mastery of skills identified in the objectives).
  • Norm-referenced scoring - compare students with others who have completed the same assessment. (Report long term trends and comparisons of extremely large group of learners - should never be used to determine grades)
  • Grading on the curve - reflects how well the learners perform as compared to one another. (not useful to see whether the students have mastered the content).
  • Criterion referenced scoring - (reflects mastery of course content)

Characteristics of good assessment:
  • Validity - provides an accurate estimate of learning gains.
  • Reliability - refers to stability and consistency of an instrument despite occasion and frequency of the assessment taken.
  • Clarity of expectations - learners could easily understand the instructions given for the assessment.
Note: A useful assessment reflects learners' progress, understanding, transferability of skills and knowledge.

C. Strategies for assessing learners' progress
  • Objective measures: multiple choice, true or false, matching, etc.
  • Short answer test item: graphic organiser, concept map, fill in the blanks, etc.
  • Subjective measures: essay, projects, presentations,
  • Alternative assessments: authentic assessment, performance based assessment and constructivist assessment.
Assessment for DE learners:
  • Online tests and quizzes
  • Asynchronous communication : thought provoking questions, discussion forum/ debate, questions generated from reading, blogs and wiki.
  • Synchronous communication: audio conferencing, online chat, instant messaging
  • Portfolios: compilation of work consist of variety of materials leading to development of standards.
  • Papers and essay
  • Presentations
  • Problem-based activities
  • Journal writing
  • Concept map
  • Simulation and games
Implementation Strategies:
  • On going and non graded assessment measures
  • Balancing flexibility and structure
  • Using scoring rubrics
  • Facilitating students collaboration
  • Selecting appropriate assessment measures
D. Related issues to assessment
  • Academic misconduct
  • Plagiarism
  • Cheating
What is ahead?
  • evidence-centered design
  • automated essay scoring
  • accessibility

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