10 Questions
What is the main purpose of Interaction Analysis?
To investigate and understand interactions between people and artefacts
What is the first level of coding in Grounded Theory?
Open: Identify categories
What is the purpose of CAQDAS Networking Project?
To provide tools for qualitative data analysis
What is the difference between inductive and deductive analysis?
Inductive analysis extracts concepts from data, while deductive analysis uses pre-existing concepts
What is the purpose of using statistical packages in data analysis?
To perform quantitative data analysis
What is the purpose of using Nvivo and Dedoose tools?
To support qualitative data analysis
What is the main purpose of using spreadsheets in data analysis?
To perform simple data analysis with basic graphs
What is the main difference between mean, median, and mode?
They are different types of averages
What is the main purpose of using stories in presenting findings?
To present ideas in an easy and intuitive way
What is the main purpose of socio-technical systems theory?
To understand a whole socio-technical system
Study Notes
Data Analysis, Interpretation, and Presentation
- Graphical representations provide an overview of the data
Types of Data and Analysis
- Quantitative data: Expressed as numbers
- Qualitative data: Difficult to measure sensibly as numbers, e.g. how to measure dissatisfaction
- Quantitative analysis: Numerical methods to ascertain size, magnitude, and amount
- Qualitative analysis: Expresses the nature of elements and is represented as themes, patterns, or stories
Quantitative Analysis
- Averages: • Mean: Add up values and divide by the number of data points • Median: Middle value of data when ranked • Mode: Figure that appears most often in the data
- Percentages (%): Be careful not to mislead with numbers!
Interaction Analysis
- Investigates and understands interactions between people and artefacts
- Based on empirical observations, such as videos
- Inductive process in teams, collaboratively
- Contents of the material is logged, materials are extracted, classified, or removed
- Instances of a salient event are assembled and played one after the other
Grounded Theory
- Seeks to develop theory from a systematic analysis of empirical data
- Three levels of ‘coding’: • Open: Identify categories • Axial: Flesh out and link to subcategories • Selective: Form a theoretical scheme
- Researchers are encouraged to draw on their own theoretical backgrounds to inform analysis
Frameworks and Tools
- System-based frameworks: Socio-technical systems theory and Distributed Cognition of Teamwork
- Tools to support data analysis: • Spreadsheet: Simple to use, basic graphs • Statistical packages, e.g. SAS and SPSS • Qualitative data analysis tools, e.g. Nvivo and Dedoose • Computer Assisted Qualitative Data Analysis (CAQDAS) Networking Project
Presenting Findings
- Structured notations have clear syntax and semantics to present particular viewpoint
- Stories are an easy and intuitive approach to communicate ideas
- Summarize findings using a range of notations
Summary
- Data analysis depends on data gathering
- Qualitative and quantitative data may be gathered from any of the three main data gathering approaches
- Percentages and averages are commonly used in Interaction Design
- Analysis of qualitative data may be inductive or deductive
Quiz about graphical representations of data, specifically showing the number of errors made. Understanding data visualization is crucial in many fields.
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