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5 major P of LA
- 1. Practicality
- 2. Reliablity
- 3. Validity
- 4. Authenticity
- 5. Washback
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1. Practicality
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Administrative issues
- making, giving, and scoring an assessment instrument
- cost
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Time
- to construct
- to administer
- ease of scoring
- ease of interpreting/reporting the results
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2. Reliability
- Consistent & dependable
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Students
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anxiety, physical or psychological factors
- test-taker's test-wiseness
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scoring
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Rater reliability
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human error, subjectivity, bias
- lack of scoring criteria
- inexperience
- preconceived biases
- Inter-rater R
- Intra-rater R
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test administration
- Sounds,Chairs, Desks, light
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test itself
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Measurement errors.
- Eg: MCQ ==> items, distractors
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3. Validity
- Gronlund (1998)
- Samuel Messick (1989)
- A Valid Test
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4 types
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1. Content-Related Evidence
- Direct setting
- Indirect setting
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2. Criterion-Related Evidence
- Specific Classroom Objectives
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2 Types
- 1. Concurrent Validity
- 2. Predictive Validity
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3. Construct-Related Evidence
- involves Theoretical construct
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4. Consequential validity (impact)
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1, Micro Level
- the effect on society and educational systems
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2. Macro Level
- the effect of on individual Test-takers
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5. Face Validity
- students view the assessment as fair, relevant and useful for improving learning
- Mousavi, 2009
- Teachers can increase student's perception of fair tests
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psychological State of the learners
- Confidence, Anxiety
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4. Authenticity
- Bachman & Palmer 1996
- to stimulate real-world tasks
- An authentic test
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5. Washback
- The effect of testing on teaching and learning
- A test that provides beneficial Washback
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Effects
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Positive
- Teachers' Feedback: to diagnoses of strengths and weaknesses
- intrinsic motivation, autonomy, self-confidence, language ego, interlanguage, and strategic investment
- Negative