TVAAS Tennessee Value-Added Assessment System TVAAS Tennessee Value-Added Assessment System Office...

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TVAAS Tennessee Value-Added Assessment System Office of Assessment, Evaluation, & Research

Transcript of TVAAS Tennessee Value-Added Assessment System TVAAS Tennessee Value-Added Assessment System Office...

Page 1: TVAAS Tennessee Value-Added Assessment System TVAAS Tennessee Value-Added Assessment System Office of Assessment, Evaluation, & Research.

TVAASTennessee

Value-Added Assessment System

Office ofAssessment, Evaluation, & Research

Page 2: TVAAS Tennessee Value-Added Assessment System TVAAS Tennessee Value-Added Assessment System Office of Assessment, Evaluation, & Research.

What is TVAAS?

TVAAS stands for Tennessee Value-Added Assessment System.*Based on SAS’s Education Value-Added Assessment System (EVAAS) and the statistical methodology of Dr. William Sanders.

TVAAS is a statistical method used to measure the influence of a district or school on the academic progress (growth) rates of individual students or groups of students from year-to-year.

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Statistical methodology used in value-added analysis is very complicated.A student’s growth pattern is determined using all available previous existing assessment data for that student (all grades, all subjects). However, the concept behind it is very simple and straightforward…Use a student’s existing assessment data to produce measures of progress unique to that student.

What is TVAAS?

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The TVAAS method uses previous test score data to plot a “growth pattern” for students. Think of academic growth in terms of a child’s physical growth.

What is TVAAS?

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Age in Years

Growth Chart

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How did it all begin?

First developed for Tennessee by Dr. William Sanders.1992 – Tennessee Education Improvement ActIncreased school funding using increased sales taxesDemand for increased accountabilityTVAAS set up

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Since then…

Since 1992, TVAAS has tracked each of Tennessee’s students…Grades 3-12… every subject… every grade… every teacher…That’s over 26 million records! Largest student assessment database ever assembled.SAS located in Cary, North Carolina, provides the statistical analysis of the data. SAS is the world’s largest privately held software company.

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Students begin school at different places and progress at different rates. Yet with AYP, all students are expected to achieve the same level of academic proficiency level.NCLB says that ALL students must reach proficiency in reading and math by 2014.AYP (Adequate Yearly Progress) is measured for:

All studentsAll major racial/ethnic groupsLow-income studentsLimited English Proficient studentsStudents with Disabilities

Why do we need TVAAS?

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Why do we need TVAAS?

Proficiency is measured by the performance of students at a single point in time and how well those students perform against a set of standards. Simply put, proficiency levels only indicate whether or not a student met a certain target.Growth is measured by how much gain or progress an individual student or group of students make over time. Growth measures do not assume all students start the school year at the same academic level.

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Achievement AND Growth

By measuring the academic achievement of students and the academic growth of students, schools and teachers will have a more comprehensive picture of the effectiveness in raising student proficiency.

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TVAAS Website

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TVAAS Public Site

TVAAS Public Site can be accessed at https://tvaas.sas.com/evaas/public_welcome.js

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EMBARGOED INFORMATION: The 2010 value-added results reported at this site are presently not available to the media or to the public. The public release will come from the Tennessee Department of Education. Your restricted access will allow you to use the information reported in your decision making within your system or school.

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TVAAS Public SiteTVAAS Public Site can be accessed at

https://tvaas.sas.com/evaas/public_welcome.jsp

Reports available on public site:

State Report

School Search

System Value Added

Value Added Summary

System Progress Report

School Value Added

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Understandings

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TVAAS is….

Projected Score vs. Observed Score

Projected Score – based on all of the student’s past state test scores plus student receiving an average Tennessee schooling.

Observed Score – actual score on most recent test.

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Restricted Site Log-In https://tvaas.sas.com/evaas/signin.jsf

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The Navigation Bar

Click on “Help” to

access information about each page or to view/print

the Resource

Guide.

Be sure to use Back and Print tabs on the website not on your browser.

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The Navigation Bar

Click on “Reports” Tab to see

selection of different reports

available.

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AYP Dashboard

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Accelerate I, II, and Advanced

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District

School

Subgroup

Student

“Drilling Down”

District Value Added Summary ReportsDiagnostic Summary Reports

Performance Diagnostic Summary ReportsSchool

School Value Added ReportsSchool Diagnostic Reports

School Performance Diagnostic ReportsSubgroup

Custom Student ReportsStudent Pattern List

StudentIndividual Student Reports

Projections

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Elementary/Middle SchoolValue-Added Report

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Elementary/Middle SchoolValue-Added Report

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Diagnostic Report

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Selecting Subgroups in Diagnostic Report

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Diagnostic Report

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Student List

Achievement

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Individual Student Report

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Performance Diagnostic Report

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School Search

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Custom Student Report

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Custom Student Report

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Custom Student Report (Saved)

Click to Resort

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Student Projections (Tab)

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Student Pattern List

•Enables you to see how effective the school/teacher has been with the lowest, middle, and highest achieving students in the group you have selected.

•The minimum number of students you can graph is 15.

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Student Pattern ListElementary/Middle

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Student Pattern List

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Third Grade Percentages

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Questions???

For additional information on TVAAS and value-added professional development opportunities, visit the TDOE website at

http://www.state.tn.us/education/

Or contact the office of Assessment, Evaluation, & Research

(615) 741-0720