Jermi Haning

Case study research, either single or multiple, has been increasingly used in a number of disciplines in the last few years ( Creswell, 2007 ; Yin, 2014 ) . However, at the same time, there has been an increasing number of critics as well. The critics argue that case study research is problematic. The arguments include that case studies lack methodological rigour ( Gibbert, Ruigrok, & Wicki, 2008 ) ,   are ambiguous in data collection methods ( Verschuren, 2003 ) , and have limited generalizability ( Hillebrand, Kok, & Biemans, 2001 ; Kennedy, 1979 ) . Despite the criticism, some experts argue that case studies offer a better understanding of specific phenomena that is often neglected by ordinary research designs that focus more on the generalisation ( Creswell, 2007 , 2014 ; Stake, 1995 ; Yin, 2014 ) .    This essay reviews a collective case study design by Ho, Woodley, Cottrell, and Valentine (2014 ) in Vietnam, entitled “A multilevel analytical framework for more effe