The study is aimed to study 1) to explore communication methods applied by successful nonprofit organizations in Thailand, 2) to analyze communication factors influencing donors’ decision on donation for nonprofit organizations, and 3) to develop a structural equation model of communication factors influencing donors’ decision on donation for nonprofit organizations and test its congruence with the empirical data. The study is mixed-method research, divided into 2 parts. Part 1: Qualitative research was conducted with in-depth interviews with 4 ...