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RISS 인기검색어
- 검색키워드
- 저자 : Kross, Sean Michael (검색결과 3 건)
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Kross, Ethan F Columbia University 2007 해외박사(DDOD)
This thesis examined the psychological processes that enable individuals to reason about negative feelings without becoming emotionally overwhelmed. In Study 1, participants recalled a depression-related experience and then analyzed their feelings from either a self-immersed or self-distanced perspective. I hypothesized that adopting a self-distanced perspective would lead participants to construe their experience in less "hot," arousing terms and in relatively more "cool," cognitive terms, and that these construals would lead to lower levels of negative affect. Results were consistent with this hypothesis. Furthermore, comparisons to a distraction group indicated that analyzing feelings from a self-distanced perspective was as effective as distraction in reducing negative affect. Studies 2 and 3 replicated these findings and showed that both 24 hours and 7 days after the experimental manipulations were implemented participants in the distanced-analysis group remained buffered against negative affect, displayed lower levels of rumination over time and judged their recalled experience to be less salient to their current goals compared to the immersed-analysis and distraction groups. These findings help distinguish reflective processing from rumination and distraction.
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Prototyping the Developer Experience for Data Science Practitioners and Instructors
Kross, Sean Michael ProQuest Dissertations & Theses University of Cali 2022 해외박사(DDOD)
Data science encompasses the most prominent collection of methods for creating scientific knowledge in the 21st century. Currently, data scientists must navigate a wide-ranging and often incoherent ecosystem of tools, in addition to organizing sociotechnical interactions with colleagues across many fields of expertise.This predicament motivates my thesis: The elements of data science work that are based in human expertise and social relationships must be integrated into existing programming workflows to create the developer experience that data scientists require to be successful.This dissertation supports my thesis by presenting three empirical studies and two tools. First, I investigated how professional data scientists teach novices about data science focused programming workflows, including how to adapt software development tools to their work, how to navigate the full depth of the stack of technologies that data science relies on, and how to use their tools to help communicate their findings. Then I explored how a team of academic data scientists repurposed the tools from their everyday data science work to create a data science course designed to reach traditionally underrepresented groups in computing. Finally, I examined how consulting data scientists interact with their clients, how their working relationships take them beyond well-characterized programming-oriented cycles, and how they achieve success by integrating designerly work into their data analysis process.These studies inspired me to develop two tools: 1. Datamations animates each step in a data analysis pipeline via transitions that show how rows, columns, and cells move within a data frame. 2. Tidy Data Tutor creates step-by-step interactive illustrations for a data analysis pipeline, so that every individual cell can be tracked.The main research findings of this dissertation are that data scientists adapt software engineering tools to fit into their own workflows, and that data scientists must communicate the uncertainty that they face in their work to novices. Additionally, this dissertation found that several nested cycles are required for data scientists to achieve success in collaboration with their colleagues. Finally, my prototype tools showed that animations and illustrations derived from data wrangling code can help convey a clearer understanding of data analysis pipelines.
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