All data is graded, so that it is easy to tell whether you are looking at high or low quality observations. (metlink.org)
Thomas J. Kane and Douglas O. Staiger Gathering Feedback on Teaching: Combining High - Quality Observations with Student Surveys and Achievement Gains (Seattle, WA: Bill & Melinda Gates Foundation, 2012), (2012) (gse.harvard.edu)
«The combination of modelling work and high quality observations of ALMA makes this a unique project,» says Cornelis Dullemond from the Institute for Theoretical Astrophysics in Heidelberg, Germany, who is an expert on dust evolution and disc modelling, and a member of the team. (sciencedaily.com)