DATA ANALYSIS, INTERPRETATION, AND PRESENTATION

DATA ANALYSIS, INTERPRETATION, AND PRESENTATION

1. Qualitative and Quantitative

   • Quantitative analysis uses numerical methods to ascertain the magnitude, amount, or size of something
     • Mean, median, mode
   • Qualitative analysis focuses on the nature of something and can be represented by themes, patterns, and stories
     • Identifying recurring patterns and themes, categorizing data, or analyzing critical incidents
   • Techniques
     • Interviews
       • Audio recordings, Interviewer notes, Video recordings
     • Questionnaires
       • Written responses, Online database
     • Observation
       • Observer's notes, Photographs, Audio and video recordings, Data logs, Think-aloud

2. Using Theoretical Frameworks

   • Grounded Theory
     • Approach to qualitative data analysis that aims to develop theory from the systematic analysis and interpretation of empirical data
   • Distributed Cognition
     • Analysis results in an event-driven description which emphasizes information and its propagation through the cognitive system under study .
   • Activity Theory
     • Is a product of Soviet psychology that explains human behavior in terms of our practical activity with the world.

3. Tools to Support Data Analysis

   • Include
     • Help to develop the coding scheme further
     • Investigate the relationships between different themes or categories
     • Search the data for key words or phrases
     • Facilities for categorization
   • Examples
     • Nvivo
     • Atlas.ti.

4. Presenting the Findings

   • Depends on the audience, and the original goals of the study or also on the data gathering and analysis techniques used.
   • Purposes
     • To derive requirements for an interactive product
     • To evaluate an interactive product under development.
   • Kinds
     • Summarizing the Findings
       • Clearly written reports with an overview at the beginning and a detailed content list make for easy reading and a good reference document
     • Using Stories
       • Storytelling is an easy and intuitive approach for people to communicate ideas and experiences
     • Rigorous Notations
       • Gives you clear guidance on what to look for in the findings and what to highlight, and that it forces you to be precise