Non-Response Test Follow-up contact with a random sample of non-response organizations provided descriptive statistics of respondent profiles that when T-test is performed to test the non-response bias, the result revealed that no significant differences exist.
Operationalization of Research Variables Each causal relations of the research framework is operationalised by using multiitems and each questionnaire item is measured by a five point Likert scale, ranging from 1 (Strongly agree) to 5 (Strongly disagree), see Table 1.