“…The project found that the best composite measure is based primarily on student test scores (value‐added), with a small weight for lesson observation and student feedback (Kane, McCaffrey, Miller, & Staiger, 2013). Lesson observations might, however, also help to understand why some teachers are more effective than others, by identifying specific practices that are associated with improved outcomes (see, for example, Araujo, Carneiro, Cruz‐Aguayo, & Schady, 2016; Bruns, Gregorio, & Taut, 2016; Carnoy, Ngware, & Oketch, 2015; Ngware, Ciera, Musyoka, & Oketch, 2015).…”