From Wikipedia, the free encyclopedia. Peer-mediated instruction (PMI) is an approach in special education where peers of the target students are trained to provide necessary tutoring in educational, behavioral, and/or social concerns.(Chan et al., 2009).
Cultural embeddedness refers to âthe role of shared collective understandings in shaping economic strategies and goalsâ (17). Structural embeddedness is defined, following Granovetter, as âthe contextualization of economic exchange in patterns of ongoing interpersonal rela- tionsâ (18).
art_haykin. Sharpness usually refers to the image quality produced by a good lens in true focus, while grain is a property of the negative. A neg can be grainy and still be sharp, that is, in focus. Aug 24, 2002.