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).
Freebase(0.00 / 0 votes)Rate this definition: Ovality. In telecommunications and fiber optics, ovality or noncircularity is the degree of deviation from perfect circularity of the cross section of the core or cladding of the fiber. The cross-sections of the core and cladding are assumed to a first approximation to be elliptical.