MARK 302 : Chapter 15 MARK 302 Notes.docx
Document Summary
Overview of the data analysis procedure: validation and editing (quality control, coding, data entry, logical cleaning of data, tabulation and statistical analysis. Process of grouping and assigning numeric codes to the various responses to a question. Automated coding systems: algorithms are based on semiotics and show great promise for speeding up the coding process, reducing its cost and increasing its objectivity. (e. g. Process of converting information to an electronic format. Intelligent entry systems: form of data entry in which the information being entered into the data entry device is checked for internal logic. These systems can be programmed to avoid certain types of errors at the point of data entry, such as invalid or wild codes and violation of skip patterns. Scanning: form of data entry in which responses on questionnaires are read in automatically by the data entry device. (e. g. Logical or machine cleaning: final computerized error check of data.
