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).
Full Definition of OPACITY. 1. a: obscurity of sense: unintelligibleness b: the quality or state of being mentally obtuse: dullness. 2. : the quality or state of a body that makes it impervious to the rays of light; broadly: the relative capacity of matter to obstruct the transmission of radiant energy.3. : an opaque spot in a normally transparent structure (as the lens of the eye). See opacity defined for English-language learners.ull Definition of OPACITY. 1. a: obscurity of sense: unintelligibleness b: the quality or state of being mentally obtuse: dullness. 2. : the quality or state of a body that makes it impervious to the rays of light; broadly: the relative capacity of matter to obstruct the transmission of radiant energy.