In qualitative research, it is crucial for the researcher to ask whether, in light of his or her object and goals, it would be more appropriate to conduct systematic observations, to produce a handwritten or recorded field journal, to conduct interviews (structured or not), to photograph, to videotape and so on. The proper response to these questions will determine, to some extent, the quality, scope, adequacy and feasibility of the empirical data gathered.
One should ask, then, under what circumstances video recording arises as a necessary resource to conduct qualitative empirical research.
After recording, all the videotaped material must be identified, cataloged and stored properly right after it is produced in order to ensure the access to each item and its analysis.

HIT Research Center is provided with two full systems for the computer-assisted video analysis, both running The Observer XT by Noldus. The Observer supports a deep analysis of the users' behavior by allowing the experimenter to score systematically all the relevant events happening in a given video recording. The Observer can be coupled with other sensing technologies, e.g., EDA and eye-tracker, thereby providing synchronized recordings of the behavior and physiological signals.

The computer system functions under the direction of standard operating software and video editing software which provide the user with an interface for controlling both playback and clip editing of video information from the video source. Upon initialization of the editing system, the user is presented with at least a video window for... More

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