ASVAB Technical Bulletin No. 1 - CAT-ASVAB Forms 1 & 2 - Introduction to CAT-ASVAB

Sep 18, 2026

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ASVAB Technical Bulletin No. 1 presents CAT-ASVAB Forms 1 and 2 material developed for personnel testing, including acknowledgement of prior publication and public-domain government-authored chapters. It covers item pool development and evaluation, psychometric procedures for administering CAT-ASVAB, and related operational topics such as item exposure control, calibration medium evaluation, reliability and construct validity, and predictive validity. The bulletin also outlines equating methods and nationwide implementation systems, culminating in references and chapter-organized results.

LanguageEnglish

CategoryExam

FormatPDF

Pages293

Reading Time12 h 18 min

AccessFree to download

Chapter 1 Introduction to CAT-ASVAB

Overview of CAT-ASVAB

Chapter 2 CAT-ASVAB Item Pool Development and Evaluation

Development and Calibration

Primary Item Banks

Supplemental Item Bank

Item Reviews

Options Format Study

Dimensionality

Statistical Factor Significance

Factor Interpretation

Item Difficulties

Factor Correlations

Choosing Among Alternative Approaches

Results and Discussion

Alternate Forms

Precision Analyses

Score Information

Reliability

Summary

References

Chapter 3 Psychometric Procedures for Administering CAT-ASVAB

Power Test Administration

Initial Ability Specification

Item Selection

Item Administration

Provisional Scoring

Test Termination

Final Scoring

Penalty for Incomplete Tests

Number-Correct Transformation

Seeded Items

Speeded Test Administration

Administrative Requirements

Changing and Confirming an Answer

Omitted Responses

Screen Time Limits

Help Calls

Display Format and Speed

Summary

ASVAB Technical Bulletin No. 1 CAT-ASVAB Forms 1 & 2 Personnel Testing Division Defense Manpower Data Center March 2006 Acknowledgements This Technical Bulletin includes some material that has been published by the American Psychological Association in Computerized Adaptive Testing: From Inquiry to Operation, 1997, edited by William A. Sands, Brian K. Waters, and James McBride. The chapters presented herewith were prepared by government employees and are, therefore, in the public domain: Chapter 2 Segall, D. O., Moreno, K. E., & Hetter, R. D. "Item Pool Development and Evaluation" (pp. 117-130) Chapter 3 Segall, D. O., Moreno, K. E., Bloxom, B. M., & Hetter, R. D. "Psychometric Procedures for Administering CAT-ASVAB" (pp. 131-140) Chapter 4 Hetter, R. D., & Sympson J. B. "Item Exposure Control in CAT-ASVAB" (pp. 141-144) Chapter 5 Rafacz, B., & Hetter, R. D. "ACAP Hardware Selection, Software Development, and Acceptance Testing"(pp. 145-156) Chapter 6 Hetter, R. D., Segall, D. O., & Bloxom, B. M. "Evaluating Item Calibration Medium in Computerized Adaptive Testing"(pp. 161-168) Chapter 7 Moreno, K. E., & Segall, D. O. "Reliability and Construct Validity of CAT-ASVAB" (pp. 169-174) Chapter 8 Wolfe, J. H., Moreno, K. E., & Segall, D. O. "Evaluating the Predictive Validity of CAT-ASVAB" (pp. 175-180) Chapter 9 Segall, D. O. "Equating the CAT-ASVAB" (pp. 181-198) Chapter 10 Moreno, K. E. "CAT-ASVAB Operational Test and Evaluation" (pp. 199-206) Chapter 11 Unpingco, V., Hom, I., & Rafacz, B. "Development of a System for Nationwide Implementation" (pp. 209-218) Chapter 12 Segall, D. O. "The Psychometric Comparability of Computer Hardware" (pp. 219-226) Table of Contents i ASVAB Technical Bulletin No. 1―Table of Contents Chapter 1 Introduction to CAT-ASVAB ............................................................... 1-1 Chapter 2 CAT-ASVAB Item Pool Development and Evaluation ...................... 2-1 Development and Calibration........................................................................... 2-2 Primary Item Banks ................................................................................. 2-2 Supplemental Item Bank.......................................................................... 2-4 Item Reviews ........................................................................................... 2-5 Options Format Study .............................................................................. 2-6 Dimensionality.................................................................................................. 2-13 Statistical Factor Significance ............................................................... 2-16 Factor Interpretation .............................................................................. 2-17 Item Difficulties ..................................................................................... 2-18 Factor Correlations................................................................................. 2-20 Choosing Among Alternative Approaches ............................................ 2-20 Results and Discussion .......................................................................... 2-21 Alternate Forms............................................................................................. 2-25 Precision Analyses ......................................................................................... 2-26 Score Information .................................................................................. 2-29 Reliability............................................................................................... 2-33 Summary ........................................................................................................ 2-36 References ...................................................................................................... 2-39 Chapter

FAQs

What is CAT-ASVAB and what forms does this bulletin cover?

The bulletin addresses CAT-ASVAB and specifies it includes CAT-ASVAB Forms 1 and 2 within ASVAB Technical Bulletin No. 1.

Which types of topics are covered in Chapter 2?

Chapter 2 focuses on item pool development and evaluation, including calibration, item banks, item reviews, options format studies, dimensionality, factor analysis, difficulties, correlations, and reliability.

What psychometric and administrative procedures are described for administering CAT-ASVAB?

Chapter 3 details power test administration, ability specification, item selection and administration, scoring steps, test termination, penalties, transformations, seeded items, speeded administration, administrative requirements, response handling, and screen/help constraints.

Sep 18, 2026

Uploaded by Aurora