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Educational (Achievement) Testing


IQ vs. Achievement- IQ tests are measures of broad abilities and ... Woodcock-Johnson Psycho-Educational Battery. Woodcock-Johnson covers 10 achievement areas. ... – PowerPoint PPT presentation

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Title: Educational (Achievement) Testing

Educational (Achievement) Testing
  • Difference between IQ, Aptitude, and Achievement
  • IQ vs. Achievement- IQ tests are measures of
    broad abilities and what is learned under
    relatively less standardized circumstances,
    whereas Achievement tests measure more specific
    abilities learned under more standardized
    conditions (e.g., formal school).

Achievement Testing (continued)
  • Achievement vs. aptitude tests- Aptitude tests
    measure the potential for learning a skill
    whereas achievement tests assess what is already
    known within a particular area.
  • Aptitude designed to predict subsequent
    performance whereas achievement tests designed to
    measure present performance.

Achievement Testing (continued)
  • Despite different intended purposes and designs,
    there is considerable overlap among these types
    of tests.

Uses of Achievement Testing
  • Measure what groups are learning. Measure of
    quality of instruction quality of learning.
  • Assessment of deficits in what has been learned.
  • This may be useful in designing remedial
    interventions for students with deficiencies.

Construction of Achievement Tests
  • Attempt to measure performance in the major
    instructional areas.
  • These areas typically include reading, written
    expression, arithmetic, and general knowledge.
  • Also, measure specific areas within each of these
    areas (e.g., expressive and receptive vocabulary
    within reading).

Group vs. Individual Achievement Tests
  • Advantages of Group Achievement Testing
  • 1. Less expensive (time and money).
  • 2. Downplays examiner influences.
  • 3. Overall better standardization.

Group vs. Individual Achievement Tests (continued)
  • Disadvantages of Group Achievement Testing
  • 1. Less flexibility in following up responses.
  • 2. Less in-depth.
  • 3. Limits test observations and styles of
    approaching questions.

Examples of Group Achievement Tests
  • California Achievement Test
  • Stanford Tests of Achievement
  • Iowa Tests of Basic Skills

Individual Achievement Tests
  • Examples include
  • Wide Range Achievement Test
  • Woodcock-Johnson Psycho-Educational Battery.
  • Woodcock-Johnson covers 10 achievement areas.
  • These 10 areas group into four major areas Broad
    Reading, Broad Math, Broad Written Language, and
    Broad Knowledge.
  • Application from 3 years through adulthood.

Specific Learning Disabilities
  • Criteria- Significant Discrepancy between
    Intellectual Potential (as measured by a general
    test of intelligence) and the ability to learn
    within a specific area.
  • The necessary discrepancy must be gt15 points (IQ
    100 Achievement score 84 or less).

LD Types
  • Reading Disorder (4 prevalence)
  • Mathematics Disorder (1 prevalence)
  • Disorder of Written Expression (unknown

Etiology of Learning Disability
  • Most likely the result of subtle impairments in
    neurological structures which govern the specific
    learning areas (reading).

Prognosis for Learning Disabled Children
  • The problems that are associated with LD persist
    into adulthood.
  • Degree of Problem in Adulthood depends on
    severity of LD in childhood.
  • Intervention, at present, does not appear to
    improve outcome in adulthood.
  • Socioeconomic Status (SES) of parents has a
    positive effect on outcome of LD.

Prognosis (continued)
  • General Intelligence is a significant predictor
    of outcome.