Aquad (an abbreviation of Analysis of Qualitative Data) is open source

computer-assisted qualitative data analysis software Computer-assisted (or aided) qualitative data analysis software (CAQDAS) offers tools that assist with qualitative research such as transcription analysis, coding and text interpretation, recursive abstraction, content analysis, discourse analysis ...

(CAQDAS). It supports analysis of text, audio, video, and graphical data.

Features

Aquad provides functions for

content analysis Content analysis is the study of documents and communication artifacts, known as texts e.g. photos, speeches or essays. Social scientists use content analysis to examine patterns in communication in a replicable and systematic manner. One of the ...

, including: * Text search: looking for segments in texts * Classifying: labeling text, audio, image, and videos data * Writing memos (

annotation An annotation is extra information associated with a particular point in a document or other piece of information. It can be a note that includes a comment or explanation. Annotations are sometimes presented Marginalia, in the margin of book page ...

): inserting annotations linked to parts or whole texts, audios, photos, or videos * Word analysis: counting words according to criteria * Retrieval by file name, code, keyword, or content: Retrieval of segments according to criteria * Tabular analysis: constructing tables combining criteria and arranging data in rows and columns * Construction of linkage hypotheses: looking for relationships across data * Comparison of cases/files: contrasting coding across files * Sequential analysis: objective

hermeneutics Hermeneutics () is the theory and methodology of interpretation, especially the interpretation of biblical texts, wisdom literature, and philosophical texts. As necessary, hermeneutics may include the art of understanding and communication. ...

* Comparison of cases by

Boolean analysis Boolean analysis was introduced by Flament (1976).Flament, C. (1976). "L'analyse booleenne de questionnaire", Paris: Mouton. The goal of a Boolean analysis is to detect deterministic dependencies between the items of a questionnaire or similar data- ...

: critical features and identification of "types" as introduced by Charles Ragin. * Export data: quantitative software as R,

SPSS SPSS Statistics is a statistical software suite developed by IBM for data management, advanced analytics, multivariate analysis, business intelligence, and criminal investigation. Long produced by SPSS Inc., it was acquired by IBM in 2009. Versi ...

, and

PSPP PSPP is a free software application for analysis of sampled data, intended as a free alternative for IBM SPSS Statistics. It has a graphical user interface and conventional command-line interface. It is written in C and uses GNU Scientific L ...

for statistical analysis.

Data context

Data can be directly analyzed on the screen (one-step) or outside (two-steps). One-step allows on-screen coding with digitized data. Two-steps allows the user to enter codes on the screen, keeping the documents on the desk or in other means such as cameras, TVs, etc. For instance, two-steps allows the analysis of recordings, diaries,

incunabula An incunable or incunabulum (: incunables or incunabula, respectively) is a book, pamphlet, or broadside (printing), broadside that was printed in the earliest stages of printing in Europe, up to the year 1500. The specific date is essentiall ...

, or objects without transcribing, taking photos, or scanning them.

Comparison of cases/files by Boolean analysis

Aquad allows comparison of cases/files by " logical minimization", by using its own algorithm and the

R package R packages are extensions to the R statistical programming language. R packages contain code, data, and documentation in a standardised collection format that can be installed by users of R, typically via a centralised software repository such a ...

qualitative comparative analysis to determine implicants .

Versions

The latest available version is Aquad 8, which is available in German, English, and Spanish. Version 7 is also available for download.

References

* Huber, G. L. & Gürtler, L. (2013) AQUAD 7. Manual: 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

External links

*
Official manual
* Spanish Association for the Advance of Qualitative Research (2018)
AQUAD 7: programa análisis de datos de acceso abierto
Asociación Española para el Avance de la Investigación Cualitativa. * Feliz Murias, T. (2012)

(Content analysis of asynchronous communication in the university training).Revista de Educación, 358, Mayo-agosto 2012, pp. 282-309. * Gil Flores, J. (Director) (2007)

(Data processing in qualitative research). Universidad de Sevilla. * López Regalado, O. (2008)
Tutorial of Aquad 6
* Ricoy Lorenzo, M.C., Sevillano García, M.L. & Feliz Murias, T. (2011)

(Competences Needed to Use the Main Internet Tools in Education). Revista de Educación, 356. Septiembre-diciembre 2011, pp. 483-507. {{Computer-assisted qualitative data analysis software , state=autocollapse Qualitative research Free QDA software