Whether theories are grand or mid range (MR), they
organize disciplinary thinking and influence practice
and research. By definition, grand theories are abstract,
complicated, and removed from practice. They are not meant
to be easily grasped or tested. Compared with grand theories,
MR theories contain fewer concepts and relationships, are
adaptable to a wide range of practice and experience, can be
built from many sources, and are concrete enough to be
tested.1 For these reasons, MR theories are particularly cogent
as nursing science addresses the challenges of the 21st century.
Whether theories are grand or mid range (MR), theyorganize disciplinary thinking and influence practiceand research. By definition, grand theories are abstract,complicated, and removed from practice. They are not meantto be easily grasped or tested. Compared with grand theories,MR theories contain fewer concepts and relationships, areadaptable to a wide range of practice and experience, can bebuilt from many sources, and are concrete enough to betested.1 For these reasons, MR theories are particularly cogentas nursing science addresses the challenges of the 21st century.
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