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).
Definition - What does Cardinality mean? In the context of databases, cardinality refers to the uniqueness of data values contained in a column. High cardinality means that the column contains a large percentage of totally unique values. Low cardinality means that the column contains a lot of ârepeatsâ in its data range.