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PVAAS: One of the Data Tools to Support Data-Informed Decision-Making in K-12 Schools. PVAAS Core Team June, 2007. A 3-Phase Data-Informed Inquiry Cycle. Analysis Discovery. Data. Solutions. Addressing the Priorities: A Standards-Aligned System. Concepts and Competencies.

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pvaas one of the data tools to support data informed decision making in k 12 schools

PVAAS: One of the Data Toolsto Support Data-InformedDecision-Making in K-12 Schools

PVAAS Core Team

June, 2007

a 3 phase data informed inquiry cycle
A 3-Phase Data-Informed Inquiry Cycle





pde provides the framework
“Getting Results!”

A Framework for Continuous School Improvement Planning

The framework provides guiding questions for root cause analyses in the following data environments:

PSSA and AYP inquiry


4Sight Benchmark Data

Local Assessment Data Sets

PDE Provides The Framework…
today s focus pvaas
Today’s Focus - PVAAS

The Power of





student learning measures
Student Learning Measures
  • Status Measures
    • PSSA
    • % proficient or not proficient
    • Other local assessment data
  • Improvement Measures
    • Safe Harbor
    • PPI – Pennsylvania Improvement Index
  • Progress/Growth Measures
    • PVAAS
pvaas is
  • A statistical analysis of existing assessment data.
  • A realistic measurement of a school’s progress/growth over time.
  • Progress data to add to achievement data as schools are analyzing their work with students and making improvement plans.
pvaas is not
  • Another Test
  • A measure for teacher accountability

Current Data Collection


High Achievement

Average Achievement

Achievement is based

on each student’s ending point.

Low Achievement


PVAAS Adds Another Variable To Achievement…Progress




At or Above



Progress is based

on each student’s starting point.

your recommendation
Your recommendation?



pvaas has two methodologies
PVAAS has Two Methodologies
  • Value-added Analysis for growth in cohorts of students by school, grade, subgroup.
  • Projection capability to calculate the likelihood of a student achieving a specified target performance level on a future PSSA test.
the pvaas methodologies
The PVAAS Methodologies

Looking Forward…

PVAAS Projection Reports For Individual Students and Cohorts of Students

Looking Back…

Value-added Growth Reports For Cohorts of Students


student projections
Student Projections

Wouldn’t it be great

to know the likelihood

that a student will

be proficient on

a future PSSA?

student projection methodology
Student Projection Methodology
  • A separate longitudinal modeling process focused on the performance scores of individual students.
  • The model uses all of the available data (both math and reading) to project future PSSA performances in Math and Reading.
  • Projections can be calculated for individual student or groups of students.

PVAAS Projection Reports for Groups of Students

by Subgroup and/or Projected Proficiency Level

inquiries pvaas projections address
Inquiries PVAAS Projections Address

Strategic Planning:

What percent of students are likely to be proficient on a future PSSA examination?

Intervention Planning:

What percent of students are likely to need extra support in preparation for a future PSSA examination?

your turn the pvaas projection summary
Your Turn: The PVAAS Projection Summary

An example:

On the next slide, you will see a Projection Summary of 8th graders to the Proficient level on their 11th grade PSSA math and reading exams.

What do you see?

What do you recommend?

value added measure of cohort growth
Value-added Measure of Cohort Growth
  • Comparison to a State Growth Standard
  • The Growth Standard specifies the minimal designated 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.
the assessment dilemma
The Assessment Dilemma

True Student Achievement

Any test is just a snapshot in time!

four important issues
Four Important Issues

Difference in scores in consecutive years.

1. Measuring Gain

2. Growth Standard

Convert all scores to same scale – NCE scale

3. Comparing Scores from year to year

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

4. Estimating Achievement

pvaas school report
PVAAS School Report

Did everystudentcohort at each grade level reported make at least one year’s growth in Math and demonstrate expected rates of progress?

(Getting Results!, p.17)

pvaas diagnostic report
PVAAS Diagnostic Report

Did every student cohort at each performance level

(below basic/basic/

proficient/advanced) meet or exceed the expected growth in Math?

(Getting Results!, p.17)

pa s intent for pvaas
PA’s Intent for PVAAS
  • Another Tool for Continuous Improvement
  • Measure of Growth to Add to Achievement/Status Measures
  • Not to Be Used in Isolation
  • No Teacher-Level Analyses




For PVAAS information, http://www.pde.state.pa.us/k12/site/default.asp

-- Select Assessment, then PVAAS on left menu bar


333 Market Street Harrisburg, PA 17126

Gerald L. Zahorchak, D.Ed. Secretary of Education Commonwealth of Pennsylvania