Reliability

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Reliability

• Psyc 302
• Craig VanderBeek

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Questions to Ponder

• As a student, have you ever been assessed in a
  way you thought was unfair?
• Did the teacher judge students responses
  inconsistently?
• Were some students assessed under more favorable
  conditions than others?

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• Reliability Defined
• Assessments
• Factors in student performance that affect how
  reliable the materials were learned.
• Factors that affect reliability for Teachers
  assessing students learning
• Assessment 100?

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Reliability Defined

• The extent to which the assessment instrument
  yields consistent results for each student.

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Assessments

• Informal Assessment
• Behavior, Attitude
• Pen and Paper Assessment
• Standardized Tests
• Performance Assessment
• Drawing, Poster, Scientific Invention

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Factors of Student Performance

• Test Anxiety
• Day-to-Day change in students I.e.
• Health, motivation, mood, energy level
• Physical Environment-
• Temperature,noise level, outside distractions

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Factors for Teachers

• Attitude
• Tired
• Not consistent
• Organized

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Things to Remember

• Include several tasks and look for consistency in
  students performance
• Define each task clearly-
• Identify specific, concrete criteria on which you
  will evaluate students performance
• Do not let your expectations of a student
  influence your judgement
• Avoid assessing students when they are
• Tired,ill, or out of sorts

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• Remember Assessment Tests are never 100
  reliable.

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Resources

• Ormrod, Jeanne Ellis, Educational Psychology,
  Developing Learners 3rd ed. Pearson Education,
  2000