The increasing availability of written information on computer files, and the increasing number of computer programs to analyze text files, makes content analysis easier to do than ever before. Moreover, computerized programs can easily code textual data and combine them with quantitative data. The evaluator can then analyze both kinds of data with various statistical methods. However, content analysis can proceed even when written information is not available in computer files.
Source: GAO (2013), Content Analysis: A Methodology for Structuring and Analyzing Written Material: PEMD-10.3.1, BiblioGov.