“…According to Berg and Paisley [15,16], content analysis is a detailed, systematic study and interpretation of material to identify patterns, themes, prejudices, and meanings; and it could be analyzed as a phase of information processing in which the content of communications was transformed, through the objective and systematic application of categorization rules, into data that can be generalized and compared. Guthrie, Petty, Soldatenko and Backer [17,18] proved that content analysis was a method for the collecting and organizing of massive data, including encoding information into different groups or categories based on selected criteria. Jones, Schoemaker and Testa suggested that content analysis allowed to identify specific trends, attitudes, or categories of content from the text, and then draw conclusions from it [19,20].…”