Engineer-Computer Interaction (ECI), is a new sub-domain of Human-Computer Interaction specifically tailored to engineers needs. ECI i) uses an information classification schema, ii) provides a modular approach to task decomposition, and iii) integrates standard engineer characteristics and working procedures into software. A software toolkit that interprets monitoring data taken from bridges w...

OBJECTIVE To examine prospectively usefulness of Early Childhood Inventory-4 (ECI-4) in identifying attention deficit-hyperactivity disorder (ADHD), oppositional defiant disorder (ODD), and conduct disorder (CD). METHOD A sample of children <6 years of age were evaluated in school settings with ECI-4 and results compared with those of Conners Rating Scales-Revised (CRS-R) 6 months later. Samp...

Hidalgo & Hausmann’s (2009) Economic Complexity Index (ECI) measures the complexity of national economies in terms of product groups. Analogously to ECI, we develop the Patent Complexity Index (PatCI) on the basis of a matrix of nations versus patent classes. Using linear algebra, the three dimensions—countries, product groups, and patent classes—can be combined into an integrated (“Triple Heli...

This paper presents conflicting evidence on trends in private sector union and nonunion wages. The BLS quarterly Employment Cost Index (ECI), constructed from establishment surveys, uses fixed weights applied to wage changes among matched job quotes. The ECI shows a substantial decrease in wage growth for union relative to nonunion workers. The annual Employer Costs for Employee Compensation (E...

John W. Ruser is Chief, Compensation Research and Program Development Group, Office of Compensation and Working Conditions, Bureau of Labor Statistics. E-mail: [email protected] The Employment Cost Index (ECI) is a quarterly measure of the change in the price of labor, defined as compensation per employee hour worked. Closely watched by many economists, the ECI is an indicator of cost pressures w...