CDO 340 Ch 3

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CDO 340 Ch 3
2012-12-06 18:33:52
Standardized tests

Standardized Tests
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  1. Decontextualized
    outside of language context.
  2. Advantages of standardized tests
    • easy to measure
    • get an objective score
    • replicable
    • we can use them to eliminate unwanted behaviors
    • the goal is for us to test only the desired construct.
  3. Purpose of Standardizaed Test
    • Show that a child is significantly different from norming sample
    • Establish eligibility for treatment services
    • Examine classes of behaviors
    • Narrow down areas to evaluate further
    • Alerts broad areas of need for intervention
    • A well constructed test allows for these meaningful differences between that tested child and the norms
  4. Characteristics of Useful
    Standardized Tests with Preschoolers
    • Engaging, age-appropriate test ,materials
    • Clear picture stimuli
    • Guidance in scoring and administration
    • Sensitive to cultural differences
    • Psychometrically sound
  5. Psychometrically Sound Tools:
    10 Criteria
    • Predictive Validity – how well a child will do if the test is given on another day.
    • These tests get you in the ball park but not tell you exactly.
    • The test must match the representativeness of the child.
    • 1.Adequate description of standardized sample
    • 2.Sufficiently large standardized sample
    • 3.Item analysis
    • 4.Means & standard deviations of performance norms
    • 5.Proof of concurrent validity
    • 6.Predictive validity
    • 7.Test-retest reliability
    • 8.Interexaminer reliability
    • 9.Adequate description of test administration procedures
    • 10.Description of tester qualifications
  6. What Do Standardized Tests
    Not Tell Us?
    • Do not pinpoint the specific deficiencies
    • Typically do not contain many samples of a particular construct
    • Do not give us all of the information we need for remedial planning
    • Do not account for complexity of language
    • Do not give us language performance in authentic communication
    • Do not easily accommodate differences
  7. Choosing Your Standardized Tests: Some Considerations
    • Not any test will do
    • Get the most recent version
    • Match test to child’s needs
    • Test comprehension & expression
    • Understand the testing conventions
    • Learn accurate basal & ceiling
    • Test the appropriate age range
    • Ensure the child understands the instructions
    • Watch for fatigue
    • Minimize distractions
    • Offer choice of activities/tests

    If you have a 14 year old speaking like a 3 year old then you can’t just use the 3 year old test, you have to use the 14 year old test.

    Kids can wipe out on a ST just by not understanding the instructions.
  8. Choosing Your Test Battery
    • What is the child’s history/case profile?
    • What is the presenting complaint?
    • List the features of language you would like to evaluate?
    • Choose tests that address the questions you want answered
    • Choose tools based on time allotted
    • Arrange the tests in a logical sequence

    Put the most important test first unless you have latitude.