4.1 population and sample The population used in this research is that the entrepreneur or business executive, German. The sample used in this research are divided into 2 groups, group-specific method of random 1 (Purposive Sampling Technique) is the main information provider (Key informant) interview number 2 Group 5 users how to choosing the interviewee a snow ball, or ball chain (Ball Chain or Snow Sampling Technique) of which has been recommended by the interviewee. The first group.4.2 research tools interviews.In-depth interview format, in this research method is used a mix of interviews, informal conversation (Informal Conversational Interview) interview with an interview by using structured interview (Interview Guide) a question beforehand, top domains, an interview by email or phone in advance, then make an interview to meet and directly face to face interaction. Researchers used the technique to observe the observation does not engage (Non-participant observation), part of the interview by phone or video call by sakai technology (Skype Video Conference call).
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