Many of the assessment instruments we use are norm-referenced tests that are standardized. There are certain statistical properties needed to understand the psychometric criteria of the tests, which is part of being an informed consumer. In order to interpret test scores correctly and summarize quantitative data about their clients or patients, speech-language pathologists must understand some fundamental concepts of descriptive statistics.
- After this course, participants will be able to describe basic concepts of quantitative data.
- After this course, participants will be able to describe the standardization protocol of a test.
- After this course, participants will be able to describe normal distribution and the bell-shaped curve.
- After this course, participants will be able to describe how to interpret test scores correctly.
- After this course, participants will be able to identify types of scores found on tests.
|0-5 Minutes||Introductions and learning outcomes|
|5-10 Minutes||Overview and methods of assessment|
|10-15 Minutes||ASHA statement of evidence-based practice and assessment|
|15-30 Minutes||Describe reliability, validity & standardization|
|30-35 Minutes||Describe normal distribution and bell-shaped curve|
|35-45 Minutes||Types of scores found on norm-referenced tests (raw score, standard score, percentile rank, age equivalents, grade equivalents)|
|45-50 Minutes||Standard error of measurement and confidence intervals|
|50-55 Minutes||Examples with scoring and interpreting scoring|
|55-60 Minutes||Conclusion; Q&A|
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