Photographs are often used in educational research, particularly studies using visual arts research methodologies. The visual and conceptual relationships established between the pictures themselves in a research report are decisive for scientific and artistic quality. We recommend the use of concepts such as photo series, photo essay, photographic discourse, photo abstract, photo conclusion and photographic quotation. Each concept fulfils a different function and value as a specific research criterion. The article offers definitions of some of these concepts and shows photographic portraits made by students in the primary teacher education department at the University of Granada, drawing on the work of Lewis Hine.
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