Iowa Test for Educational Iowa Test for Educational DevelopmentDevelopment

Todd BauerTodd BauerLynn CarrollLynn CarrollKaren GrossiKaren GrossiJeff WalkerJeff Walker

Tami WengerTami Wenger

History Of ITEDHistory Of ITED

Created in 1942 by the University of Iowa’s Created in 1942 by the University of Iowa’s College of EducationCollege of Education

Part of a program to develop a series of Part of a program to develop a series of nationally accepted standardized achievement nationally accepted standardized achievement tests.tests.

The ITED is used in the majority of schools in The ITED is used in the majority of schools in the State of Iowa, both in the public and private the State of Iowa, both in the public and private education sectorseducation sectors

Tests have found some use in other regions of Tests have found some use in other regions of the United States.the United States.

Description of ITEDDescription of ITED

Norm-Referenced and Curriculum Referenced TestNorm-Referenced and Curriculum Referenced Test

Given annually to Grades 9 to 12Given annually to Grades 9 to 12

Offers educators diagnostic data that drives remediationOffers educators diagnostic data that drives remediation

Provides better preparation for other high-stakes Provides better preparation for other high-stakes

assessments, including state tests, ACT, and SATassessments, including state tests, ACT, and SAT

Organizes reporting test data quickly and easilyOrganizes reporting test data quickly and easily

National Norms made in 2000, 2005 (copyrighted in National Norms made in 2000, 2005 (copyrighted in

2006)2006)

Purpose of TestPurpose of Test

Measures year-to-year growth in academic Measures year-to-year growth in academic skillsskills

Compares the student’s achievements Compares the student’s achievements and ability with others in the same and ability with others in the same grade/levelgrade/level

Shows the student’s academic strengths Shows the student’s academic strengths and weaknesses.and weaknesses.

ITED SubtestsITED SubtestsVocabularyVocabulary

Reading ComprehensionReading Comprehension

Language: Revising Written MaterialsLanguage: Revising Written Materials

SpellingSpelling

Mathematics: Concepts and Problem SolvingMathematics: Concepts and Problem Solving

ComputationComputation

Analysis of Social Studies MaterialsAnalysis of Social Studies Materials

Analysis of Science MaterialsAnalysis of Science Materials

Sources of InformationSources of Information

Preparing Students for TestingPreparing Students for TestingInforming and MotivatingInforming and Motivating

Why they are givenWhy they are givenYear-to-year progressYear-to-year progressStrengths, weaknesses and gapsStrengths, weaknesses and gapsStudents and parents note progressStudents and parents note progress

What tests are likeWhat tests are likeTest-taking strategiesTest-taking strategiesDifficulty levelDifficulty level

Communicating with parentsCommunicating with parentsReduce absences and tardinessReduce absences and tardinessDiscourage unnecessary extra-curricular activitiesDiscourage unnecessary extra-curricular activitiesMaintain routineMaintain routineHow to helpHow to help

Supplemental MaterialsSupplemental Materials Sample questionsSample questions GeneralizabilityGeneralizability Commercially developed materialsCommercially developed materials

Administering the TestAdministering the TestSelecting TestSelecting Test Test LevelsTest Levels

Level 15 9Level 15 9thth grade gradeLevel 16 10Level 16 10thth grade gradeLevel 17/18 11Level 17/18 11th & 12thth & 12th grade grade

ConvenienceConvenienceSame amount of timeSame amount of timeDirectionsDirections

TimeTime 260 minutes of testing time plus 20-30 admin minutes260 minutes of testing time plus 20-30 admin minutes Two or more sessionsTwo or more sessions Administered in the fallAdministered in the fall

Use results to guide instructionUse results to guide instruction

Testing Students withTesting Students withSpecial NeedsSpecial Needs

Make a written record of accommodations Make a written record of accommodations and place the record in the test file.and place the record in the test file.Others must be aware that the grade Others must be aware that the grade equivalents, percentile ranks, and other equivalents, percentile ranks, and other scores could be misleading.scores could be misleading.Percentile ranks can still be used to Percentile ranks can still be used to identify strengths and weaknesses.identify strengths and weaknesses.Year-to-year growth can be estimated with Year-to-year growth can be estimated with developmental scores. developmental scores.

Alternatives for Students withAlternatives for Students withSpecial NeedsSpecial Needs

Large Print Versions of TestsLarge Print Versions of Tests

Braille VersionBraille Version

Audio Tape EditionsAudio Tape Editions

Enlarged Answer FolderEnlarged Answer Folder

Extended Time due to magnifying reading or Extended Time due to magnifying reading or

other limitationsother limitations

Cost of MaterialsCost of Materials

$40 per test

$2 per test discount for groups$2 per test discount for groups

$38 per test for groups of 10 or more students

$36 per test for groups of 30 or more students

Obtaining ITED MaterialsObtaining ITED Materials

Packet of registration materials sent to Packet of registration materials sent to schoolsschoolsSchools register in the spring for the Schools register in the spring for the following yearfollowing yearFigures can be modified at a later dateFigures can be modified at a later dateMajor revisions needed 6 weeks prior to Major revisions needed 6 weeks prior to the testthe testMinor revisions needed 2 weeks prior to Minor revisions needed 2 weeks prior to the testthe test

Home Schooled StudentsHome Schooled Students

Test materials are obtained through public Test materials are obtained through public school district or Area Education Agency school district or Area Education Agency (AEA) where the student lives.(AEA) where the student lives.

Student must take the test with the local Student must take the test with the local school or the AEA.school or the AEA.

ITED tests are not available to parents or ITED tests are not available to parents or licensed teachers as individuals.licensed teachers as individuals.

NormsNorms

The ITED was standardized in 2000The ITED was standardized in 2000 Stratified sample of 170,000 studentsStratified sample of 170,000 students All public school districts in the U.S. stratifiedAll public school districts in the U.S. stratified

Geographic RegionGeographic Region

Basis of size enrollmentBasis of size enrollment

Finally – Socioeconomic StatusFinally – Socioeconomic Status Within each SE Stratum- one group selected Within each SE Stratum- one group selected

Catholic and Non-Catholic Private Schools also normedCatholic and Non-Catholic Private Schools also normed

Reliability and ValidityReliability and Validity

ReliabilityReliability Internal Consistency ReliabilityInternal Consistency Reliability

Based on Spring 2000 standardization sampleBased on Spring 2000 standardization sample Reliability coefficients for raw scores all Reliability coefficients for raw scores all exceeded .8exceeded .8

ValidityValidity Internal Consistency ReliabilityInternal Consistency Reliability

Based on Spring 2000 standardization sampleBased on Spring 2000 standardization sample Reliability coefficients for raw scores all Reliability coefficients for raw scores all exceeded .8exceeded .8

Types of Scores and Types of Scores and Scoring ReportsScoring Reports

Raw Score Raw Score How many correct How many correctPercent Correct Percent Correct Not the same as %ile Not the same as %ileGrade Equivalent Grade Equivalent Places students on a Places students on a continuum to describe their achievementcontinuum to describe their achievementDevelopmental Standard Score Developmental Standard Score Compare Compare scores to average annual growth, good for scores to average annual growth, good for showing individual growthshowing individual growthPercentile Rank Percentile Rank Different sets of %ile ranks Different sets of %ile ranks are available so schools can make relevant are available so schools can make relevant comparisions involving their studentscomparisions involving their students

Sample Scoring ReportsSample Scoring Reports

Score Services of the ITEDScore Services of the ITED

List of Student ScoresList of Student ScoresSummary Reports (for grade groups)Summary Reports (for grade groups)Iowa and National Student Norms Iowa and National Student Norms furnishedfurnishedStudent Data on CD-ROMStudent Data on CD-ROMIndividual/Group/Subgroup Performance Individual/Group/Subgroup Performance ProfilesProfilesClass Item Record and Group Item Class Item Record and Group Item AnalysisAnalysis

BibliographyBibliography

Assessment in Special and Inclusive Education, Salvia and Yesseldke, Assessment in Special and Inclusive Education, Salvia and Yesseldke, Houghton Mifflin, 10Houghton Mifflin, 10thth Edition, p.387-390 Edition, p.387-390http://www.education.uiowa.edu/ITP/ited/ited_about.htmhttp://www.education.uiowa.edu/ITP/ited/ited_about.htmhttp://www.education.uiowa.edu/ITP/ited/ited_about_prp.htmhttp://www.education.uiowa.edu/ITP/ited/ited_about_prp.htmhttp://www.riverpub.com/products/ited/index.htmlhttp://www.riverpub.com/products/ited/index.htmlhttp://www.riverpub.com/products/ited/details.htmlhttp://www.riverpub.com/products/ited/details.htmlhttp://www.education.uiowa.edu/itp/ited/ited_use_sched.htmhttp://www.education.uiowa.edu/itp/ited/ited_use_sched.htmhttp://www.education.uiowa.edu/itp/ited/ited_use_time.htmhttp://www.education.uiowa.edu/itp/ited/ited_use_time.htmhttp://www.education.uiowa.edu/itp/ited/ited_interp_score.htmhttp://www.education.uiowa.edu/itp/ited/ited_interp_score.htmhttp://www.education.uiowa.edu/itp/ited/ited_use_prep.htmhttp://www.education.uiowa.edu/itp/ited/ited_use_prep.htmhttp://www.education.uiowa.edu/itp/ited_use_special.htmhttp://www.education.uiowa.edu/itp/ited_use_special.htmhttp://www.education.uiowa.edu/ITP/ited/ited_materials.htmhttp://www.education.uiowa.edu/ITP/ited/ited_materials.htmhttp://www.pesdirect.com/itbs.htmlhttp://www.pesdirect.com/itbs.htmlhttp://www.pesdirect.com/ITBS_A08.PDFhttp://www.pesdirect.com/ITBS_A08.PDF