There are a number of
key questions that an examination of classroom data should address.
- Which content standard indicator(s) was the
teacher assessing?
- What percent of students demonstrated
proficiency?
- What implications does that have for instruction?
- Which students have not demonstrated that they
can do this?
q
What diagnostic information did an examination of
student work provide?
q
Based on individual student performance, what do I
need to do next to move the student to proficiency?
q
Based on the class performance, what re-teaching do I
need to do?
q
After reassessing, did my students demonstrate
proficiency?
q
Do we have any students who are not attaining
proficiency across indicators?
q
What diagnostic information do we have about them to
inform instruction?
q
What interventions have we tried? What interventions
do we plan to try next?
q
Raw Scores
The raw score is the number of items
a student answers correctly without adjustment for guessing
q
Percentage Scores
A
percentage score is the percent of test items answered correctly
q Scores of
Relative Standing
Percentile
Ranks A percentile rank is the point in a
distribution at or below which the scores of a given percentage of students
fall.
q Median
A
median is simply the score that falls exactly in the middle, such that half of
the people had higher scores, and half of the people had lower scores.
q The Mode
The third important statistic of summary is called the mode,
which is simply the score obtained by the most people in the group
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