Making Sense of Standardized Test Scores

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Making Sense of Standardized Test Scores - PowerPoint PPT Presentation

Making Sense of Standardized Test Scores. Presenter: Misty Nix. Discussion. What types of scores are out there?. Types of Scores. Percentiles Grade-Equivalent Scores Scale Scores. Percentiles.

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Presentation Transcript

Making Sense of Standardized Test Scores

Presenter: Misty Nix

Discussion

What types of scores are out there?

Types of Scores

Percentiles

Scale Scores

Percentiles
• This type of score comes from a comparison of a student’s score to other students’ scores in a norm group (group of students being tested).
• Example: If a student scores in the 75th percentile this means that this student preformed better than 75% of the students in the norm group.
Percentiles

Still not making sense?

Let us look at it from a different angle.

• If the student scored in the 75th percentile only 25% of students in the norm group preformed just as well or better than this student.
• Another way of putting it is that this student is in the top 25% of the norm group.
Percentiles

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Typically understood by most of the general public and parents.

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Scores are dependant on the quality of the norm group.

Discussion

• This score is an indicator of student test performance based on grade level and months of the school year.
• Example: a student who scored a 7.3 on a mathematics test would be function in this subject like an average 7th grader in their 3rd month of the school year.

Still not quite making sense?

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These types of scores are often time misinterpreted.

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These scores are easy to communicate to parents.

Discussion

Scale Scores
• This type of score is where the student’s raw score is converted to number that fall on a scale.
• An example that would directly affect you would be the Scholastic Aptitude Test (SAT) or the Miller’s Analogy Test (MAT). You didn’t receive your raw scores you got a 3 digit number.
Scale Scores

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Very useful in equalizing difficulties of different test forms.

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