1. Scale Score Chart
Basic Proficient Advanced
0 800
Your student’s
Scale Score
452400
MSA
Misleading Graphs
The Solution
High
Above 80th percentile
Low
Below 21st percentile
Low Average
21st and 40th percentile
High Average
61st and 80th percentile
Average
41st and 60th percentile
Your 6th grade student:
• Is Proficient
• Low Average
• And Partially Understands
Your 6th grade student:
• Scored at the 22nd percentile
• Is Low Average
• Reads at the 4th grade level
4. Very
Not
4th
Grade
Reading Level
What parents are shown.
Low Average
• Limited comparison to others.
• Meaningless scale.
• Meaningless terms.
Basic Proficient Advanced
High
Above 80th percentile
Low
Below 21st
percentile
Low Average
21st and 40th percentile
High Average
61st
and 80th
percentile
Average
41st and 60th percentile
HowMisleading
Levels of Misleading – ness.
Current
Student
Score Reports
Using
Grade Level
Descriptions
Using
Standardized
Normal Curve
5. Least
Most
Your 6th grade
student
reads at a:
4th
Grade
Reading LevelWhat parents are shown.
Low Average
• Limited comparison to others.
• Meaningless scale.
• Meaningless terms.
Basic Proficient Advanced
High
Above 80th
percentile
Low
Below 21st percentile
Low Average
21st
and 40th
percentile
High Average
61st
and 80th
percentile
Average
41st
and 60th
percentile
HeadachleLevel
Level of Headache for School System
Current
Student
Score Reports
Using
Grade Level
Descriptions
Using
Standardized
Normal Curve
6. If you don’t want to talk about grade levels,
Then don’t teach in grade levels.
If you don’t want to talk about grade levels,
Then you have a responsibility to
give me the percentile.
7. 0 – 100 Scale
One Decent Standardized Graph
Statistical AVERAGE
50% below 50% above
15% less well 85% scored higher
8. 0 – 100 Scale
One Decent Standardized Graph
Statistical AVERAGE
0.13% is so tiny,
It is represented by the line on
the end of the graph.
12. One Decent Standardized Graph
Statistical AVERAGE
Low Average Reading Performance
Is
Surprisingly Low Grade Level Reading Performance
Dead on Average
CAUTION:
13. 1st
2nd
3rdThe Truth:
Grade Level
Reading Ability
3rd
4th
5th
6th 10th
7th 11th
8th 12th
9th
My student
may not
be O.K.
My student
is not
O.K.
My student
may not really
be advanced
Scale
Basic Proficient Advanced
Your student’s
Scale Score
0 800452400
Graphic
0 400 800450
Numbers
MSA Reading Score Report – 6th Grader
Misleading
14. AdvancedBasic
Proficient
4th – 5th grade
Reading Level
Informative Standardized Graph
Year 2011 Grade 6 Form B
MSA Reading Scores
Student Labeled Proficient
can be 2 grade levels behind.
Basic Proficient Advanced
0 800
Your student’s
Scale Score
452400
15. MAP testing Student Report
160
210
157
225
Graphed
Scale
Actual
Scale
Misleading
Scale
Everyone looks a little better
Meaningless
Numbers
16. i
NWEA MAP testing results
Representative samples of what is reported to parents.
Student Performance Report
Data Analysis of K-12 School System
Performance Data
Descriptive Terms
Understanding and Using Literary:
Texts LoAvg
Building Vocabulary Low
Understanding and Using Informational:
Texts Low
Lexile Range: 168-318L
17. NWEA MAP Scores on Normal Curve
Any Grade
High
Above 80th percentile
Low
Below 21st percentile
Low Average
21st and 40th percentile
High Average
61st and 80th percentile
Average
41st and 60th percentile
Fall 08Spring 09 Fall 09
Term/Yr. %’tile
Fall 09 10
Spring 09 06
Fall 08 20
18. NWEA MAP Scores on Normal Curve
6th Grade
High
Above 80th percentile
9th grade +
Low
Below 21st percentile
1st – 3rd grade
Low Average
21st and 40th percentile
4th – 5th grade
High Average
61st and 80th percentile
7th– 8th grade
Average
41st and 60th percentile
6th grade
19. NWEA MAP Scores on Normal Curve
Any Grade
Most
Important
Slide
Award
NOTE: Low Average can mean 1, 2, or even 3
grade levels below the student’s current grade
level. Low average percentiles are still
considered statistically average – but might
rightfully concern a parent.
High
Above 80th percentile
Low
Below 21st percentile
Low Average
21st and 40th percentile
High Average
61st and 80th percentile
Average
41st and 60th percentile
Parent and school
should both be
concerned.
Parent should be concerned.
School may not be
concerned.
Plot these
numbers
onto this
scale.
20. Misleading Graph The Solution
High
Above 80th percentile
Low
Below 21st percentile
Low Average
21st and 40th percentile
High Average
61st and 80th percentile
Average
41st and 60th percentile