Academic sources

These are the published sources behind Bristlenose's sentiment taxonomy, signal analysis, and codebook frameworks. The summary is in Research foundations; this is the full reference list.

Emotion science

• Russell, J. A. (2003). Core affect and the psychological construction of emotion. Psychological Review, 110(1), 145–172. — Valence and arousal are the two dimensions underlying emotional experience; discrete categories are constructed from them.
• Barrett, L. F. (2017). How Emotions Are Made: The Secret Life of the Brain. Houghton Mifflin Harcourt. — Emotions are constructed in the moment from core affect, concepts, and context, not hardwired.
• Scherer, K. R. (2005). What are emotions? And how can they be measured? Social Science Information, 44(4), 695–729. — Appraisal theory; the Geneva Emotion Wheel's twenty emotion families.
• Bradley, M. M., & Lang, P. J. (1994). Measuring emotion: the Self-Assessment Manikin and the semantic differential. Journal of Behavior Therapy and Experimental Psychiatry, 25(1), 49–59. — Non-verbal pictorial scales for pleasure, arousal, and dominance.
• Ekman, P. (1992). An argument for basic emotions. Cognition and Emotion, 6(3–4), 169–200. — Six basic emotions recognised across cultures; influential, now contested.
• Plutchik, R. (1980). A general psychoevolutionary theory of emotion. In Emotion: Theory, Research, and Experience (Vol. 1). Academic Press. — Eight primary emotions in opposing pairs, with intensity gradations.

User-experience research

• Hassenzahl, M. (2003). The thing and I: understanding the relationship between user and product. In Funology: From Usability to Enjoyment. Kluwer. — Pragmatic and hedonic quality both shape appeal.
• Laugwitz, B., Held, T., & Schrepp, M. (2008). Construction and evaluation of a user experience questionnaire. In HCI and Usability for Education and Work. Springer. — The UEQ's six dimensions.
• Benedek, J., & Miner, T. (2002). Measuring desirability. Usability Professionals Association Conference. — The Product Reaction Cards.

Trust and credibility

• Fogg, B. J. (2003). Prominence-interpretation theory. CHI '03 Extended Abstracts. — Credibility is assessed by noticing an element, then interpreting it.
• Fogg, B. J., et al. (2001). What makes web sites credible? CHI '01. — Visual design and ease of use weigh heavily on credibility judgements.
• Fogg, B. J. (1999). The elements of computer credibility. CHI '99. — Trustworthiness and expertise; four kinds of credibility.
• Stanford Web Credibility Research (2002). Stanford Guidelines for Web Credibility. — Ten research-based guidelines.

Usability heuristics

• Nielsen, J. (1994). Enhancing the explanatory power of usability heuristics. CHI '94. — The refined ten heuristics, from a factor analysis of 249 usability problems.
• Nielsen, J. (1994). Usability Engineering. Morgan Kaufmann. — The practitioner's handbook for discount usability methods.
• Nielsen, J., & Molich, R. (1990). Heuristic evaluation of user interfaces. CHI '90. — The original heuristic-evaluation method.

Cognitive psychology and perception (Laws of UX)

• Yablonski, J. (2024). Laws of UX: Using Psychology to Design Better Products & Services (2nd ed.). O'Reilly. — Twenty-one-plus psychological principles translated into design guidance; the source for the Yablonski codebook.
• Hick, W. E. (1952). On the rate of gain of information. Quarterly Journal of Experimental Psychology, 4(1), 11–26. — Decision time grows with the number of choices.
• Fitts, P. M. (1954). The information capacity of the human motor system in controlling the amplitude of movement. Journal of Experimental Psychology, 47(6), 381–391. — Time to reach a target is a function of distance over target width.
• Miller, G. A. (1956). The magical number seven, plus or minus two. Psychological Review, 63(2), 81–97. — Working memory holds about seven chunks.
• Kahneman, D., Fredrickson, B. L., Schreiber, C. A., & Redelmeier, D. A. (1993). When more pain is preferred to less. Psychological Science, 4(6), 401–405. — The peak-end rule: experiences are judged by their peak and their ending.
• Zeigarnik, B. (1927). Über das Behalten von erledigten und unerledigten Handlungen. Psychologische Forschung, 9(1), 1–85. — Incomplete tasks are remembered better than completed ones.
• Von Restorff, H. (1933). Über die Wirkung von Bereichsbildungen im Spurenfeld. Psychologische Forschung, 18(1), 299–342. — The isolation effect: distinctive items are remembered.
• Kurosu, M., & Kashimura, K. (1995). Apparent usability vs. inherent usability. CHI '95. — The aesthetic-usability effect.
• Doherty, W. J., & Thadani, A. J. (1982). The economic value of rapid response time. IBM Systems Journal, 21(3), 298–316. — Sub-400-millisecond response and productive flow.
• Tesler, L. (2007). The law of conservation of complexity. Interactions, 14(5), 28. — Complexity can be moved between system and user, not removed.
• Wertheimer, M. (1923). Untersuchungen zur Lehre von der Gestalt II. Psychologische Forschung, 4(1), 301–350. — The Gestalt principles of perceptual grouping.

Qualitative research methods

• Braun, V., & Clarke, V. (2006). Using thematic analysis in psychology. Qualitative Research in Psychology, 3(2), 77–101. — The six-phase method, inductive or deductive; the basis for how Bristlenose forms themes.
• Saldaña, J. (2021). The Coding Manual for Qualitative Researchers (4th ed.). SAGE. — The standard reference for qualitative coding.
• Ericsson, K. A., & Simon, H. A. (1993). Protocol Analysis: Verbal Reports as Data (rev. ed.). MIT Press. — The foundational text on think-aloud protocols.

Affective computing

• Picard, R. W. (1997). Affective Computing. MIT Press. — The founding text of the field.
• Demszky, D., et al. (2020). GoEmotions: a dataset of fine-grained emotions. Proceedings of ACL 2020, 4040–4054. — A large dataset labelled with twenty-seven emotion categories.