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Aquad is an example of computer assisted qualitative data analysis software (CAQDAS) that supports content analysis of open data in qualitative research in psychology, education, sociology, philosophy, medicine, ethnography, politics,etc. Open data are usually collected through observation, introspection, narratives, discussion groups, interviews, etc.
Aquad was developed in Germany in 1987 by Günter L. Huber, professor at the Department of Educational Psychology at the Institute of Educational Science at the University of Tübingen, to make up for limited manpower at content analysis in a research project.
Aquad provides tools as:
- Text searching
- Writing memos (annotation)
- Word analysis
- Retrieving by file name, code, keyword, or parts of memo texts
- Table analysis
- Construction of linkage hypotheses
- Comparison of cases/files
Presentation of dataEdit
Data could be analysed as written text, audio recording, images, or video. Initially, computer assisted qualitative data analysis software analysed only verbal texts. The observation, introspection, narratives, discussion groups, interviews, etc. were transcribed and CAQDAS only analysed the transcription (linguistics).
Situation of dataEdit
Data could be directly analysed on the screen (one-step) or outside (two-steps). One-step allows to code on the screen with digitalised data. Two-steps allows to enter codes on the screen keeping the documents as realia on the desk or in other means as cameras, TV, etc. For instance, two-steps allows to analyse recordings, diaries, incunabula, or objects without transcribing, taking photos, or scanning them.
Comparison of cases/files by Boolean analysisEdit
Real available version is AQUAD Six that includes examples of analyses of written text, audio, photo, and video. A demo version and a manual (Huber & Gürtler, 2004) are also available on the website. Aquad is available in German, English, and Spanish.
- Qualitative research
- Qualitative marketing research
- Qualitative psychological research
- Sampling (case studies)
- Huber, G. L. & Gürtler, L. (2004) AQUAD Six. Manual for the Analysis of Qualitative data. Tübingen: Ingeborg Huber Verlag. Download
- Ragin, C. C. (1989) The Comparative Method: Moving Beyond Qualitative and Quantitative Strategies. Berkeley and Los Angeles: University of California Press. Google Books