“…For development-focused aims, these subcategories have included volunteering for mutual aid, philanthropic volunteering, civic service, and volunteer activism and advocacy (Cronin and Perold 2008;Davis Smith 2000;McBride et al 2003). For volunteer-focused aims, subdivisions have included areas such as volunteer tourism, cross-cultural volunteering, student volunteering/servicelearning, and volunteer workcamping (Alloni et al 2014;Coghlan 2007;Pless and Borecká 2014). Sherraden et al (2006) developed a basic matrix for IVS using three main variables: program aims, duration of service, and group size.…”