A Comparison of Anchor-Item Designs for the Concurrent Calibration of Large Banks of Likert-Type Items

• Published in: Applied psychological measurement Vol. 34; no. 8; pp. 580 - 599
• Main Authors: García-Pérez, Miguel A., Alcalá-Quintana, Rocío, García-Cueto, Eduardo
• Format: Journal Article
• Language: English
• Published: Los Angeles, CA SAGE Publications 01.11.2010
• Subjects: Adaptive Testing; Comparative Analysis; Computer Assisted Testing; Equated Scores; Item Banks; Likert Scales; Subtests; Test Items; questionnaires; health status; computerized adaptive testing; linking; simulation; attitudes; item calibration; graded response model; anchor-item designs
• ISSN: 0146-6216; 1552-3497
• DOI: 10.1177/0146621609351259

Current interest in measuring quality of life is generating interest in the construction of computerized adaptive tests (CATs) with Likert-type items. Calibration of an item bank for use in CAT requires collecting responses to a large number of candidate items. However, the number is usually too lar...