Purpose: This paper presents a moderated discussion on popular misconceptions, benefits and limitations of International Large-Scale Assessment (ILSA) programs, clarifying how ILSA results could be more appropriately interpreted and used in public policy contexts in the USA and elsewhere in the world. Design/methodology/approach: To bring key…

Background: Historically, significant advances in scientific understanding have followed advances in measurement and observation. As the resolving power of an instrument increased, so have gains in the understanding of the phenomena being observed. Modern interactive systems are potentially the new "microscopes" when they are…

Disagrees with Harold Stevenson's article in same "Educational Leadership" issue; Stevenson compares incomparable groups of students and misinterprets data. Although U.S. students rate ability higher than Chinese students, they also appreciate value of effort. Chicago kids are poorer and come from larger families than their Chinese…

Excoriates Gerald Bracey's "broadsides" against the author's own article in same "Educational Leadership" issue for misinterpreting his conclusions and methodology. Stevenson's learning gap results did not oversimplify ability-effort relationship in U.S. and Asian students; results were similar for U.S. cities with both large…

Educators' fear of statistics stems from various factors, including deficiencies in their preparation programs: insufficient relevance, inadequately integrated technologies, and stress on inferential statistics. Attendance statistics are worthless unless principals and superintendents can interpret them and incorporate them into their…