Explanatory case study analysis can study the dynamics of complex environments like school rooms. Photo by Kenny Eliason. Intrinsic, instrumental, and collective case studies Document selection is a crucial element of case study research. Image by Arisa Chattasa. These documents can provide historic context, corroborate evidence from other sources, https://dantebtyri.thekatyblog.com/33446883/not-known-factual-statements-about-case-study-answers