EXPLORATORY SEQUENTIAL DATA ANALYSIS : TRADITIONS, TECHNIQUES AND TOOL S CAROLANNE FISHER AND PENELOPE SANDERSO N 1 . MOTIVATIONS BEHIND THE CHI'92 WORKSHO P In many areas of HCI, investigators make video or audi o recordings of humans working with computers and othe r humans . These recordings capture verbalizations, actions, an d often general aspects of the working environment as well . Th e investigator then explores and analyses these data in the ligh t of some HCI research or design issue . Protocol analysis, video analysis, interaction analysis, conversation analysis, discours e analysis, sequential data analysis, task analysis, etc., are al l examples of such research activity. What they have in common is a concern with handling dynamic, on-line, event driven behavior that unfolds over time and with capturing the essence of that behavior in summary statements . At present there are very few resources to help investigator s make reasoned choices between these types of techniques, o r to provide guidance on the appropriate use of a technique . A s a result, investigators can fall into certain conceptual an d methodological " traps " , much time can be wasted and th e potential
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