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Divisions > Accountability, Assessment, and Data Systems
2008 Maryland Modified HSA Technical Report

Technical Documentation for the
Maryland Modified High School Assessment Program

Algebra/Data Analysis, Biology, English, and Government End-of-Course Assessments



TABLE OF CONTENTS

Introduction

Development of Mod-HSA Test Forms

Description of Target Groups and Linking Samples

Equating Designs

Organization of the Technical Report

Section 1 Test Construction and Administration

Test Development
Planning
Test Specifications and Design
Item Type
Item Modification, Development, Review, and Revision
Table 1.1 Demographics of Content Review Committees by Content Area

Test Specifications
Table 1.2 Algebra Blueprint
Table 1.3 Biology Blueprint
Table 1.4 English Blueprint
Table 1.5 Government Blueprint

Item Selection and Form Design

Section 2 Validity

Section 3 Item-Level Analyses: May Administration

Classical Item Analyses
Table 3.1 Distributions of P-Values: May All Mod-HSA Items - Linking
Table 3.2 Distributions of P-Values: May All Mod-HSA Items - Target
Table 3.3 Distributions of Point-Biserial Correlations: May, All Mod-HSA Items - Linking
Table 3.4 Distributions of Point-Biserial Correlations: May, All Mod-HSA Items - Target
Table 3.5 May Mod-HSA Items Excluded from Calibration
Table 3.6 May Mod-HSA Items with Statistical Flags Retained in Calibration

Differential Item Functioning

Section 4 Item Calibration and Test Equating

Item Calibration

Test Equating
Linking using the Common Items Design
Linking using the Common Persons Design
Comparison of Results from the Two Equating Methods
Comparison of TCCs and CSEMs

Section 5 Scoring Procedures

Scale Scores

Lowest and Highest Obtainable Test Scores

Cut-Scores
Table 5.1 Mod-HSA 2008 Cut-Scores by Content Area

Section 6 Test Characteristics

Reliability

Decision Accuracy and Decision Consistency
Table 6.1 Decision Accuracy and Consistency: May, Algebra Linking
Table 6.2 Decision Accuracy and Consistency: May, Algebra Target
Table 6.3 Decision Accuracy and Consistency: Summer, Algebra Target
Table 6.4 Decision Accuracy and Consistency: May, Biology Linking
Table 6.5 Decision Accuracy and Consistency: May, Biology Target
Table 6.6 Decision Accuracy and Consistency: Summer, Biology Target
Table 6.7 Decision Accuracy and Consistency: May, English Linking
Table 6.8 Decision Accuracy and Consistency: May, English Target
Table 6.9 Decision Accuracy and Consistency: Summer, English Target
Table 6.10 Decision Accuracy and Consistency: May, Government Linking
Table 6.11 Decision Accuracy and Consistency: May, Government Target
Table 6.12 Decision Accuracy and Consistency: Summer, Government Target

Exploratory Factor Analysis
Table 6.13 Factor Analysis Results for Algebra, May, Linking
Table 6.14 Factor Analysis Results for Algebra, May, Target
Table 6.15 Factor Analysis Results for Biology, May Linking
Table 6.16 Factor Analysis Results for Biology, May Target
Table 6.17 Factor Analysis Results for English, May Linking
Table 6.18 Factor Analysis Results for English, May Target
Table 6.19 Factor Analysis Results for Government, May Linking
Table 6.20 Factor Analysis Results for Government, May Target
Table 6.21 Distributions of P-Values: May Operational Items - Linking
Table 6.22 Distributions of P-Values: May Operational Items - Target
Table 6.23 Distributions of Point-Biserial Correlations: May Operational Items - Linking
Table 6.24 Distributions of Point-Biserial Correlations: May Operational Items - Target
Table 6.25 Summary Statistics of Tetrachoric Correlations by Sample, Content, and Form

Section 7 Student Characteristics

Demographic Distributions
Table 7.1 Demographic Information for Algebra: May
Table 7.2 Demographic Information for Algebra: Summer
Table 7.3 Demographic Information for Biology: May
Table 7.4 Demographic Information for Biology: Summer
Table 7.5 Demographic Information for English: May
Table 7.6 Demographic Information for English: Summer
Table 7.7 Demographic Information for Government: May
Table 7.8 Demographic Information for Government: Summer

Summary Statistics
Table 7.9 Mean Scale Scores by Content and Group
Table 7.10 Passing Percentages by Content and Group
Table 7.11 Percentages of Students Classified as Basic, Proficient or Advanced, by Content and Group
Table 7.12 Summary Statistics for Algebra: May, Target
Table 7.13 Summary Statistics for Algebra: May, Linking
Table 7.14 Summary Statistics for Algebra: Summer, Target
Table 7.15 Summary Statistics for Biology: May, Target
Table 7.16 Summary Statistics for Biology: May, Linking
Table 7.17 Summary Statistics for Biology: Summer, Target
Table 7.18 Summary Statistics for English: May, Target
Table 7.19 Summary Statistics for English: May, Linking
Table 7.20 Summary Statistics for English: Summer, Target
Table 7.21 Summary Statistics for Govenment: May, Target
Table 7.22 Summary Statistics for Government: May, Linking
Table 7.23 Summary Statistics for Government: Summer, Target

References

Appendices
Appendix A Classical Item Statistics: Operational Forms
Appendix B Classical Item Statistics: Field Test Items
Appendix C Comparison of Equating Methods
Appendix D Histograms of Scale Score Distributions

A complete copy of the 2008 Modified HSA Technical Report is also available.

Contact Information
Leslie Wilson, Assistant State Superintendent
Division of Accountability and Assessment
Maryland State Department of Education
200 West Baltimore Street
Baltimore, MD 21201
Maryland State Department of Education
200 West Baltimore Street
Baltimore, MD 21201
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