The statistical analysis of Independent sample t-test (Levine's test for the equality of variance) shows that there is no significant difference of perceptions exists among the respondents on the basis of organization type (Public Sector/Private Sector) that respondents belong to, except one statement ‘OSS provide lower functionality than commercial equivalents’ ( Table 3). The analysis of mean scores conceded that the respondents from Private Sector organizations have a significant difference of opinion in comparison with the respondents from Public sector organizations.