PPT Presentation Template: This PPT includes all slides to present a district-level overview of...

PPT Presentation Template:PPT Presentation Template:

This PPT includes all slides to This PPT includes all slides to present a district-level present a district-level

overview of PVAAS. This was overview of PVAAS. This was used with a district-wide used with a district-wide

elementary faculty group. elementary faculty group.

PVAAS Overview:PVAAS Overview:Evaluating Growth,Evaluating Growth,

Projecting PerformanceProjecting PerformanceFaculty IntroductionFaculty Introduction

PVAAS IS:

• Analysis of existing assessment data– Longitudinal PSSA scores in available

content areas• Math, Reading, Science, Writing

– Provides reliable estimates

• A measure of a school’s effectiveness

• Critical Relationship: Growth Data vs. Achievement Data

PVAAS:

• Is not another test

• Is not a comparison of single test scores

• Critical concept:Does not provide a measure of

growth for an individual student

High Achievement

Average Achievement

Low Achievement

Current Data Collection Current Data Collection ApproachesApproaches

Achievement is based Achievement is based on each student’s ending point.on each student’s ending point.

PVAAS Adds Another Variable To Achievement…Progress

Below Growth

Standard

At or AboveGrowth

Standard

Progress is based Progress is based on each student’s starting pointon each student’s starting point..

Viewing Achievement and Viewing Achievement and Progress TogetherProgress Together

Scatter Plots:Scatter Plots:

Grades 4-8Grades 4-8

Reading and MathReading and Math

Achievement and Growth - 4th Math

0

56

-20 0 20

PVAAS Growth Measure

% P

rofi

cie

nt

or

Ad

van

ced

The Scatter Plot The Scatter Plot Coordinate SystemCoordinate System

Vertical AxisPSSA Percent Proficient or Advanced

Horizontal AxisPVAAS Growth

Measure

AYP Percent Proficient Target

Growth StandardBoundary

One Year

Growth

Achievement and Growth - 4th Math

0

56

-20 0 20

PVAAS Growth Measure

% P

rofi

cie

nt

or

Ad

van

ced

Scatter Plot Quadrants Scatter Plot Quadrants and Their Meaningsand Their Meanings

Quad 1Adequate Achievement

Positive Growth

Quad 4Below Adequate

Achievement Positive Growth

Quad 2Adequate Achievement

Negative Growth

Quad 3Below Adequate

AchievementNegative Growth

District Scatter PlotsDistrict Scatter Plots

District vs. IU Region vs. StateDistrict vs. IU Region vs. State

Math and ReadingMath and Reading

Grades 4 – 8 Grades 4 – 8

District Scatter Plot – Grade 4District Scatter Plot – Grade 4

Viewing Achievement and Viewing Achievement and Progress TogetherProgress Together

Scatter Plots:Scatter Plots:

Grade 11Grade 11

Reading and MathReading and Math

Grade 11 Scatter PlotsGrade 11 Scatter PlotsThe PSSA-PVAAS Scatter Plots visually display the following The PSSA-PVAAS Scatter Plots visually display the following data from the statewide distribution of PSSA results for the data from the statewide distribution of PSSA results for the most current school year.most current school year. AchievementAchievement

• The mean The mean predictedpredicted performance of the cohort. performance of the cohort. • The actual mean performance of all students in the state is displayed The actual mean performance of all students in the state is displayed

for referencefor referenceGrowthGrowth

• School Effect School Effect ≈ Observed Mean – Predicted Mean≈ Observed Mean – Predicted Mean• Standardized School Effect = School Effect relative to its error – Standardized School Effect = School Effect relative to its error –

displays degree of confidencedisplays degree of confidence

The following two slides explain the meaning of each of the The following two slides explain the meaning of each of the regions of an 11regions of an 11thth grade scatter plot. grade scatter plot.

The Scatter Plot The Scatter Plot Coordinate System for Grade 11Coordinate System for Grade 11

Horizontal AxisGrowth Measure in

Standard Errors

Vertical AxisMean

Predicted Scaled Score Growth Descriptor

Boundaries (±2SEs)

2010 Mean Scaled Score

Scatter Plot Regions Scatter Plot Regions and Their Meanings for Grade 11and Their Meanings for Grade 11

The TWO Types ofThe TWO Types ofPVAAS InformationPVAAS Information

Today

Looking Back/Evaluation…

Value-Added Growth Reports For Cohorts of Students

Looking Forward/Planning…

PVAAS Projection Reports For Individual Students

and Cohorts of Students

NO individual measure of student growth..

Student ProjectionsStudent Projections

PVAAS Reporting PVAAS Reporting Projections to Basic, Proficient, and Advanced Projections to Basic, Proficient, and Advanced

Grade Last Tested

Math and Reading: 3 4 or 5 4 5 or 6 5 6 or 7 6 7 or 8 7 8 8 11

Writing: 3 5 4 5 5 8 6 8 7 8 8 11

Science:

3 4 4 NA 5 8 6 8 7 8 8 11

Grade Last Tested Grade Last Tested

How do I know that the projectionHow do I know that the projectionis accurate?is accurate?

The projection is precise, and is created using a model that has been reviewed and approved by four different peer review panels and the GAO (US Government Accountability Office).

The most recent 2008 growth model proposal to USDOE includes information regarding the statistical model and projection reliability study.(http://www.ed.gov/admins/lead/account/growthmodel/pa/index.html)

Recent studies have confirmed that the PVAAS projections (even as far as 3 years into the future) are more reliable at looking at the future performance of a student than the most recent PSSA score.

http://www.ed.gov/admins/lead/account/growthmodel/pa/index.html

PVAAS Student Projection ReportPVAAS Student Projection Report

PVAAS Projections for Groups of Students

Student Search

Identified Students Meeting Search Requirements

District (Single Grade) Projection District (Single Grade) Projection Summary Report – Grade 3Summary Report – Grade 3

District (Single Grade) Projection Summary Report for Grade 3 to be

inserted here



inserted here

Value-Added

Wouldn’t it be great to know if you made at least one year’s growth

with students last tested in grades 4-8

and in grade 11?

Value-added Measure ofCohort Growth

Grades 4 through 8 in Reading and Math

• Comparison to a State Growth Standard

• The Growth Standard specifies the minimal acceptable academic gain from grade to grade for a cohort of students.

• The use of a Growth Standard creates the possibility that ALL schools can demonstrate appropriate growth.

Four Important Issues1. Measuring Gain

2. Growth Standard

3. Comparing Scores from year to year

4. Estimating Achievement

Difference in scores in consecutive years.

Combine current observed scores with all previous scores in students’ histories.

Convert all scores to same scale – NCE scale

Student Name Quiz 1 Test 1 Quiz 2 Project 1 Test 2 Test 3 Cum

Possible 25 100 30 75 70 100 Percent

Joe 20 97 23 72 65 55 83

Betty 14 76 27 65 56 56 73.5

Elizabeth 21 96 25 60 64 78 86

PVAAS Value-Added Growth Descriptors – Grade 4 – 8

Math and Reading

The PA Growth Standard specifies the minimal acceptable academic gain from grade to grade for a cohort of students. The Growth Standard is met when the students in a school or district on average maintain their relative position when compared to the 2006 statewide distribution of student scores (2006 is the base year).

Estimated mean NCE gain equal or greater than zero. There is evidence that the school has met or exceeded the Growth Standard. All schools can achieve this rating. Estimated mean NCE gain less than zero by one standard error or less. There is slight evidence that the school has not met the Growth Standard. Estimated mean NCE gain less than zero by between one and two standard errors. There is moderate evidence that the school has not met the Growth Standard. Estimated mean NCE gain more than two standard errors less than zero. There is significant evidence that the school has not met the Growth Standard.

PVAAS District ReportPVAAS District ReportGrades 4 through 8 - Math and ReadingGrades 4 through 8 - Math and Reading

What Value-added Gain Means!What Value-added Gain Means!

0 10 20 30 40 50 60 70 80 90 100

NCE Scale

State Mean = 50

Cohort’s Achievement

5th grade60.7

Cohort’s Achievement

6th grade64.6

PVAAS Gain ≈ Change in position from 5th to 6th grade

≈ 64.6 – 60.7 ≈ 4.0 NCE points

PVAAS School ReportPVAAS School ReportHigh School Math and ReadingHigh School Math and Reading

Science and WritingScience and Writing

Based on a Based on a predictive methodology:predictive methodology: A predicted score is calculated for each student;A predicted score is calculated for each student; Mean of predicted scores is calculated for Mean of predicted scores is calculated for

students in a cohort;students in a cohort; Mean of observed scores of students in the Mean of observed scores of students in the

cohort;cohort; School Effect is the difference between the School Effect is the difference between the

Observed and the Predicted Scores.Observed and the Predicted Scores.

Writing, Science & Grade 11 Reading/Math Growth Descriptors

Progress is defined by the district or school effect, which is a measure of the difference between observed performance and predicted performance.

Progress is significantly above the progress of the average district in the state.

Progress is not detectably different from the progress of the average district in the state.

Progress is significantly below the progress of the average district in the state.

PVAAS District ReportPVAAS District ReportGrades 11- Math and ReadingGrades 11- Math and Reading

Grades 4, 8 & 11 – ScienceGrades 4, 8 & 11 – ScienceGrades 5, 8 & 11 – WritingGrades 5, 8 & 11 – Writing

PVAAS Performance Diagnostic ReportPVAAS Performance Diagnostic Report

The Key is the RED Whisker!The Key is the RED Whisker!

Growth Standard MethodologyGrowth Standard MethodologyWhat the whiskers tell us…What the whiskers tell us…

Growth Standard

(One Year’s Growth)

Met the Growth Standard;Made One Year’s Growth

Yellow

Below Growth Standard;Less than One Year’s Growth

Rose

Exceeded Growth Standard;More than One Year’s Growth

Green

Predictive MethodologyPredictive MethodologyWhat the whiskers tell us…What the whiskers tell us…

Observed – Predicted

(One Year’s Growth)

NDD – No Detectable Difference Between Observed Score and

Predicted Score

BELOW Expectations -- Observed Score Was Less

Than Predicted Score

ABOVE Expectations -- Observed Score Was Greater

Than Predicted Score

Performance Diagnostic ReportPerformance Diagnostic Report

Greater Detail – based on % of studentsGreater Detail – based on % of students

Click on Hot Keys for lists of students.

Student Lists from Performance Student Lists from Performance Diagnostic ReportsDiagnostic Reports

PA’s Intent for PVAASPA’s Intent for PVAAS

Another Tool for Continuous Another Tool for Continuous ImprovementImprovement

Measure of Growth to Add to Measure of Growth to Add to Achievement/Status MeasuresAchievement/Status Measures

Not to Be Used in IsolationNot to Be Used in Isolation

PVAAS Help MenusPVAAS Help Menus

PVAAS Help Menus are designed around Frequently Asked Questions that the Core Team and IU staff often receive.

PVAAS Help MenusPVAAS Help Menus

Each Help Menu is organized into 5 common sections:• Navigating: designed to help users navigate through the report and

access all available features.• Understanding: designed to increase users’ understanding of the

key pieces of the report, as well as general assistance with correct interpretation.

• Interpreting: designed to help users gain a deeper understanding of the interpretation of the reports, including tips on analyzing the report for patterns and trends.

• Using: designed to help users gain an understanding of how the report can be used with other data sources for various decision-making purposes.

• Assistance: provides general information on the viewing and printing of reports, as well as state and IU points of contact.

Questions and FeedbackQuestions and Feedback

Questions:Questions:

PVAAS Materials or PVAAS Materials or Statewide ImplementationStatewide Implementation

[email protected]@iu13.org

717-606-1911717-606-1911

PVAAS Report Web SitePVAAS Report Web Site

https://pvaas.sas.comhttps://pvaas.sas.com

www.pde.state.pa.us

333 Market Street Harrisburg, PA 17126

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