Ethnographic research, archival and field work in the affected countries over several years, data cited from other research articles, and collaborated with scientists in atomic energy/ radiation.
The article uses statistics from FEMA, other government studies, interviews with New Orleans residents, and other research articles about post-Katrina New Orleans. Some of the data mentioned were percentages of residents that returned to New Orleans, number of residents recieving mail, and average home loan/ assitance amounts given.
Research came from newspaper articles, surviving letters, and other texts were used to produce the argument in the report regarding disaster investigation.
This article used data from Baltimore about AIDS care, and the authors' research in Rwanda, discussing results from the Partners in Health structural interventions and comparing them to produce their claims.
The methods used to produce the arguments in the article were ethnographic research, interviews with dozens of subjects suffering from epilepsy or similar disorder from several countries, and analysis of the subjects' narratives from psychological and anthropological viewpoints.