Booth is often compared to Seebohm Rowntree due to their concepts on poverty. Even though Rowntree's work draws upon Booth's investigation, many writers on poverty generally turn their attention towards Rowntree's because his concept clearly addressed the problem of defining a 'subsistence' level of poverty. Both Booth and Rowntree were positivists,however, many differences between Booth and Rowntree's methodology existed. While Booth classified people by their source of income; Rowntree made distinctions through class, and specifically categorized groups by their economic relationships.