The Bureau of Labor Statistics (BLS) is developing a Computer-Assisted Data Collection (CADC) instrument for the Commodities and Services (C&S) survey for the Consumer Price Index (CPI). The instrument must be flexible enough to handle a variety of procedures and situations, but it must also be logical and useful for the data collectors and provide tools to help to ensure data quality. Therefor...

This study developed and validated an instrument to investigate senior school students’ understanding of electrostatics provide a cognitive diagnostic assessment their strengths weaknesses on the related concepts (e.g., electric charge). The included 20 four-tier multiple-choice items development process is organized around two activities: its validation. step defined secondary designed using m...

The card sort is a key scale development tool that is frequently used in IS survey instrument development. Cohen's Kappa is a recommended measure of inter-rater agreement in this process, however one of its underlying statistical assumptions is violated when it is used in open card sorts. To address this issue, Matrix Kappa is proposed as a complement to other card sort analysis techniques, ref...

BACKGROUND Patient safety issues in pre-hospital care are poorly investigated. The aim of the planned study is to survey patient safety problems in pre-hospital care in Sweden. METHODS/DESIGN The study is a retro-perspective structured medical record review based on the use of 11 screening criteria. Two instruments for structured medical record review are used: a trigger tool instrument desig...