Codebook

This board presents the codebook developed from a user study with 20 visualization novices using ChatGPT for data visualization tasks. Through thematic analysis of their conversation logs, codes were derived to record design issues in generated visualizations, patterns in AI textual responses, and user behavioral strategies.

• Click any code to see all annotated instances across participants.
• Click an instance row to open the full conversation and jump to the annotated turn.
• The task description is shown at the top of each conversation view.
• Each conversation also links to the same task replayed on Claude and Gemini to compare how different AI systems respond to the same prompt.

• Fatal issue — directly leads to misinformative visualizations, misinterpretations, or fails to deliver what the user requests
• Minor issue — design flaws against visualization guidelines, but does not directly lead to fatal issues