I Didn't Know that You Knew I Knew: Collaborative Shopping Practices between People with Visual Impairment and People with Vision
Abstract
It is important to support independent living for people with visual impairments (PVI). Part of this can be accomplished with individual assistive technologies. However, in this paper we emphasize the social and collaborative needs for PVI to fully integrate into society as equals. The study assesses how PVI collaborate with different types of sighted partners when shopping together. We chose to study grocery shopping because it is a critical and challenging task for PVI. We conducted field observations and in-depth interviews with five PVI and their sighted shopping partners, including spouses, caseworkers, and store-provided courtesy shoppers. We found several factors that modulated these collaborations with varying forms of common ground: 1) knowledge about how to assist PVI; 2) interpersonal knowledge resulting from common experience and interpersonal relationship history; and 3) knowledge of shopping as a practice. We discuss our findings with respect to the implications for designing collaborative interactions.
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BLV people may collaborate with different types of partners while shopping to aid in a complex process or for social enjoyment.
“Reports indicate that BLV people may collaborate with different types of partners while shopping to aid in a complex process or for social enjoyment [104].”
From Experiences and Perceptions of Blind and Low-Vision (BLV) People with Retail Self-Checkout Systems (2026) · cites this paper as [104]
A multi-modal system could address assistance by enabling employees to assist through a store-operated master tablet, providing an overview of ongoing transactions and facilitating necessary adjustments without direct device handling.
“A multi-modal system could address this by enabling employees to assist through a store-operated master tablet, providing an overview of ongoing transactions and facilitating necessary adjustments without direct device handling [104].”
From Experiences and Perceptions of Blind and Low-Vision (BLV) People with Retail Self-Checkout Systems (2026) · cites this paper as [104]
Cites
Clark, H. H., & Brennan, S. E. (1991) · Perspectives on socially shared cognition. · doi:10.1037/10096-006 · Cited by 4,555 · see citing works
Transactive Memory: A Contemporary Analysis of the Group Mind
Wegner, D. M. (1987) · Theories of Group Behavior · doi:10.1007/978-1-4612-4634-3_9 · Cited by 2,700 · cited 1× · see citing works
“Depending on their role, expertise, and responsibilities in an existing interpersonal relationship, interaction partners may have created a system that supports the encoding, storage, and retrieval of information for different contexts; this has been termed transactive memory [37].”
BackgroundDefinite reference and mutual knowledge
Clark, H. H. (1981) · Medical Entomology and Zoology · Cited by 1,168 · see citing works
Mullen, B. R., & Goethals, G. R. (1987) · Springer eBooks · doi:10.1007/978-1-4612-4634-3 · Cited by 978 · see citing works
Transactive memory in close relationships.
Wegner, D. M., Erber, R., & Raymond, P. (1991) · Journal of Personality and Social Psychology · doi:10.1037//0022-3514.61.6.923 · Cited by 857 · see citing works
What does participation mean? An insider perspective from people with disabilities
Hammel, J. M., Magasi, S. R., Heinemann, A. W., Whiteneck, G. G., Bogner, J. A., & Rodríguez, E. G. (2008) · Disability and Rehabilitation · doi:10.1080/09638280701625534 · Cited by 646 · see citing works
Communication, Learning, and Retrieval in Transactive Memory Systems
Hollingshead, A. B. (1998) · Journal of Experimental Social Psychology · doi:10.1006/jesp.1998.1358 · Cited by 471 · see citing works
Retrieval processes in transactive memory systems.
Hollingshead, A. B. (1998) · Journal of Personality and Social Psychology · doi:10.1037/0022-3514.74.3.659 · Cited by 406 · see citing works
Visual Information as a Conversational Resource in Collaborative Physical Tasks
Kraut, R. E., Fussell, S. R., & Siegel, J. (2003) · Human-Computer Interaction · doi:10.1207/s15327051hci1812_2 · Cited by 391 · see citing works
Coordination of knowledge in communication: Effects of speakers' assumptions about what others know.
Fussell, S. R., & Krauss, R. M. (1992) · Journal of Personality and Social Psychology · doi:10.1037//0022-3514.62.3.378 · Cited by 390 · see citing works
Notification and awareness: synchronizing task-oriented collaborative activity
Carroll, J. M., Neale, D. C., Isenhour, P. L., Rosson, M. B., & McCrickard, D. S. (2003) · International Journal of Human-Computer Studies · doi:10.1016/s1071-5819(03)00024-7 · Cited by 375 · see citing works
Self-citationCommon Ground and Coordination in Joint Activity
Klein, G. L., Feltovich, P. J., Bradshaw, J. M., & Woods, D. D. (2005) · doi:10.1002/0471739448.ch6 · Cited by 340 · see citing works
Gestures Over Video Streams to Support Remote Collaboration on Physical Tasks
Fussell, S. R., Setlock, L. D., Yang, J., Ou, J., Mauer, E., & Kramer, A. D. I. (2004) · Human-Computer Interaction · doi:10.1207/s15327051hci1903_3 · Cited by 328 · see citing works
The determinants of participation in activities of daily living in people with impaired vision
Lamoureux, E. L., Hassell, J. B., & Keeffe, J. E. (2004) · American Journal of Ophthalmology · doi:10.1016/j.ajo.2003.08.003 · Cited by 246 · see citing works
Awareness and teamwork in computer-supported collaborations
Carroll, J. M., Rosson, M. B., Convertino, G., & Ganoe, C. H. (2005) · Interacting with Computers · doi:10.1016/j.intcom.2005.05.005 · Cited by 231 · see citing works
Self-citationProceedings of the 6th international conference on Auditory Display
Ystad, S., Aramaki, M., Kronland-Martinet, R., & Jensen, K. (2009) · Cited by 186 · see citing works
Branham, S. M., & Kane, S. K. (2015) · Proceedings of the 17th International ACM SIGACCESS Conference on Computers & Accessibility - ASSETS '15 · doi:10.1145/2700648.2809864 · Cited by 169 · see citing works
Collaborative Accessibility: How Blind and Sighted Companions Co-Create Accessible Home Spaces
Branham, S. M., & Kane, S. K. (2015) · Proceedings of the 33rd Annual ACM Conference on Human Factors in Computing Systems · doi:10.1145/2702123.2702511 · Cited by 159 · see citing works
Recognizing Groceries in situ Using in vitro Training Data
Merler, M., Galleguillos, C., & Belongie, S. (2007) · IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · doi:10.1109/cvpr.2007.383486 · Cited by 154 · see citing works
RoboCart: toward robot-assisted navigation of grocery stores by the visually impaired
Kulyukin, V., Gharpure, C., & Nicholson, J. A. (2005) · IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS) · doi:10.1109/iros.2005.1545107 · Cited by 133 · see citing works
Psychosocial Adjustment and the Meaning of Social Support for Visually Impaired Adolescents
Kef, S. (2002) · Journal of Visual Impairment & Blindness · doi:10.1177/0145482x0209600104 · Cited by 127 · see citing works
The Researched Opinions on Research: Visually impaired people and visual impairment research
DUCKETT, P. S., & Pratt, R. J. (2001) · Disability & Society · doi:10.1080/09687590120083976 · Cited by 113 · see citing works
Articulating common ground in cooperative work
Convertino, G., Mentis, H. M., Rosson, M. B., Carroll, J. M., Slavković, A., & Ganoe, C. H. (2008) · CHI Conference on Human Factors in Computing Systems · doi:10.1145/1357054.1357310 · Cited by 95 · see citing works
Self-citationTrinetra: Assistive Technologies for Grocery Shopping for the Blind
Lanigan, P., Paulos, A., Williams, A., Rossi, D., & Narasimhan, P. (2006) · 2006 10th IEEE International Symposium on Wearable Computers · doi:10.1109/iswc.2006.286369 · Cited by 81 · see citing works
Smartphone Sensor Reliability for Augmented Reality Applications
Blum, J. R., Greencorn, D. G., & Cooperstock, J. R. (2013) · Lecture notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering · doi:10.1007/978-3-642-40238-8_11 · Cited by 74 · see citing works
ShopTalk: Independent Blind Shopping Through Verbal Route Directions and Barcode Scans
Nicholson, J., Kulyukin, V., & Coster, D. (2009) · The Open Rehabilitation Journal · doi:10.2174/1874943700902010011 · Cited by 70 · cited 3× · see citing works
“, ShopTalk [30] or RoboCart [24] for in-store navigation; Trinetra for product identification [26]; Third Eye for item acquisition [41]).”
BackgroundSocial inclusion of employees who are blind or low vision
Naraine, M. D., & Lindsay, P. H. (2011) · Disability & Society · doi:10.1080/09687599.2011.567790 · Cited by 67 · see citing works
Supporting content and process common ground in computer-supported teamwork
Convertino, G., Mentis, H. M., Rosson, M. B., Slavković, A., & Carroll, J. M. (2009) · CHI Conference on Human Factors in Computing Systems · doi:10.1145/1518701.1519059 · Cited by 63 · see citing works
Self-citationThird Eye: A Shopping Assistant for the Visually Impaired
Zientara, P. A., Lee, S., Smith, G. H., Brenner, R., Itti, L., Rosson, M. B., Carroll, J. M., Irick, K. M., & Narayanan, V. (2017) · Computer · doi:10.1109/mc.2017.36 · Cited by 59 · see citing works
Self-citationA Multiple View Approach to Support Common Ground in Distributed and Synchronous Geo-Collaboration
Convertino, G., Ganoe, C. H., Schafer, W. A., Yost, B., & Carroll, J. M. (2006) · International Conference on Coordinated and Multiple Views in Exploratory Visualization (CMV) · doi:10.1109/cmv.2005.2 · Cited by 59 · see citing works
Self-citationKhambadkar, V., & Folmer, E. (2013) · ACM Symposium on User Interface Software and Technology (UIST) · doi:10.1145/2501988.2502047 · Cited by 28 · see citing works
Group Work About Geometrical Concepts Among Blind and Sighted Pupils Using Haptic Interfaces
Sallnäs, E.-L., Moll, J., & Severinson-Eklundh, K. (2007) · IEEE World Haptics Conference (WHC) · doi:10.1109/whc.2007.61 · Cited by 24 · see citing works
Cross-modal collaborative interaction between visually-impaired and sighted users in the workplace
Metatla, O., Bryan–Kinns, N., Stockman, T., & Martin, F. (2012) · Bristol Research (University of Bristol) · Cited by 22 · see citing works
Supporting Cross-Modal Collaboration: Adding a Social Dimension to Accessibility
Winberg, F. (2006) · Lecture notes in computer science · doi:10.1007/11821731_10 · Cited by 19 · see citing works
Tanhua-Piiroinen, E., Pasto, V., Raisamo, R., & Pysander, E.-L. S. (2008) · Lecture notes in computer science · doi:10.1007/978-3-540-87883-4_2 · Cited by 12 · see citing works
Blind to Sighted Children Interaction Through Collaborative Environments
Sánchez, J., Baloian, N. A., & Hassler, T. (2004) · Lecture notes in computer science · doi:10.1007/978-3-540-30112-7_16 · Cited by 12 · see citing works
How Computing Will Change the Face of Retail
Krüger, A., Schöning, J., & Olivier, P. L. (2011) · Computer · doi:10.1109/mc.2011.112 · Cited by 12 · see citing works
Designing Equal Participation in Informal Learning for People with Visual Impairment
Yuan, C. W., Hanrahan, B. V., Lee, S., & Carroll, J. M. (2015) · Interaction Design and Architecture(s) · doi:10.55612/s-5002-027-006 · Cited by 4 · see citing works
Self-citationCritical Thinker: Supporting Collaborative Argumentation with Structure and Awareness
Sun, N., Yuan, C. W., Rosson, M. B., Wu, Y., & Carroll, J. M. (2017) · IEEE International Conference on Advanced Learning Technologies (ICALT) · doi:10.1109/icalt.2017.61 · Cited by 4 · see citing works
Self-citation
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Mack, K., Das, M., Jain, D., Bragg, D., Tang, J., Begel, A., Beneteau, E., Davis, J. U., Glasser, A., Park, J. S., et al. (2021) · Proceedings of the 23rd International ACM SIGACCESS Conference on Computers and Accessibility · doi:10.1145/3441852.3471199 · Cited by 68 · see citing works
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Wang, E. Q., & Piper, A. M. (2018) · Proceedings of the ACM on Human-Computer Interaction · doi:10.1145/3274449 · Cited by 64 · see citing works
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Das, M., Borgos-Rodriguez, K., & Piper, A. M. (2020) · CHI Conference on Human Factors in Computing Systems · doi:10.1145/3313831.3376477 · Cited by 63 · see citing works
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Pandey, M., Kameswaran, V., Rao, H. V., O'Modhrain, S., & Oney, S. (2021) · Proceedings of the ACM on Human-Computer Interaction · doi:10.1145/3449203 · Cited by 54 · see citing works
Kameswaran, V., Gupta, J., Pal, J., O'Modhrain, S., Veinot, T. C., Brewer, R. N., Parameshwar, A., Vidhya, Y., & O'Neill, J. (2018) · Proc. ACM Hum. Comput. Interact. · doi:10.1145/3274354 · Cited by 47 · see citing works
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Kameswaran, V., & Muralidhar, S. H. (2019) · Proc. ACM Hum. Comput. Interact. · doi:10.1145/3359199 · Cited by 34 · see citing works
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Lee, S., Reddie, M., Tsai, C.-H., Beck, J., Rosson, M. B., & Carroll, J. M. (2020) · CHI Conference on Human Factors in Computing Systems · doi:10.1145/3313831.3376591 · Cited by 48 · see citing works
Self-citationDas, M., McHugh, T. B., Piper, A. M., & Gergle, D. (2022) · CHI Conference on Human Factors in Computing Systems · doi:10.1145/3491102.3501918 · Cited by 40 · see citing works
Wang, R., Chen, Z., Zhang, M. R., Li, Z., Liu, Z., Dang, Z., Yu, C., & Chen, X. '. (2021) · Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems · doi:10.1145/3411764.3445547 · Cited by 42 · see citing works
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Storer, K. M., Judge, T. K., & Branham, S. M. (2020) · CHI Conference on Human Factors in Computing Systems · doi:10.1145/3313831.3376225 · Cited by 36 · see citing works
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Liu, G., Ding, X., Yu, C., Gao, L., Chi, X., & Shi, Y. (2019) · Proceedings of the 2019 CHI Conference on Human Factors in Computing Systems · doi:10.1145/3290605.3300602 · Cited by 31 · see citing works
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Zhang, H., Falletta, N. J., Xie, J., Yu, R., Lee, S., Billah, S. M., & Carroll, J. M. (2024) · International ACM SIGGROUP Conference on Supporting Group Work (GROUP) · doi:10.1145/3688828.3699636 · Cited by 27 · see citing works
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Brewer, R. N., Austin, A. M., & Ellison, N. (2019) · Proc. ACM Hum. Comput. Interact. · doi:10.1145/3359197 · Cited by 13 · see citing works
Teng, Y., Courtien, C., Rios, D. A., Tseng, Y. M., Gibson, J., Aziz, M., Reyna, A., Vaish, R., & Smith, B. A. (2024) · CHI Conference on Human Factors in Computing Systems · doi:10.1145/3613904.3642816 · Cited by 14 · see citing works
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Ramatla, A., Mastamet‐Mason, A., & Mollel-Matodzi, N. (2025) · Humanities and Social Sciences · doi:10.11648/j.hss.20251305.18
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Ramatla, A., Mastamet‐Mason, A., & Mollel-Matodzi, N. (2026) · 2018 International Conference on Multidisciplinary Research · doi:10.26803/myres.2026.18
Yokoi, S., Kobayashi, M., Yang, C.-L., Narumi, T., & Kuzuoka, H. (2026) · International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS) · doi:10.1145/3797867.3829039
Alizada, M., Westin, T., Idestam-Almquist, P., & Lampinen, A. (2026) · International ACM SIGACCESS Conference on Computers and Accessibility (ASSETS) · doi:10.1145/3797867.3829016
- Authors
- Yuan, C. W., Hanrahan, B. V., Lee, S., Rosson, M. B., & Carroll, J. M.
- Affiliations
- Fu Jen Catholic University (TW)
- Pennsylvania State University (US)
- Venue
- Proceedings of the ACM on Human-Computer Interaction
- Published
- 2017-12-06
- Volume
- 1
- Issue
- CSCW
- Pages
- 1-18
- ISSN
- 2573-0142 (ISSN-L)
- OpenAlex
- W2772917726
- Cited by
- 42
- References
- 39
- Citations by year
- 2026: 5 · 2025: 3 · 2024: 6 · 2023: 2 · 2022: 6 · 2021: 6 · 2020: 7 · 2019: 4 · 2018: 3
- FWCI
- 10.78
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Proceedings of the ACM on Human-Computer Interaction (publishedVersion)
- Funders
- National Science Foundation (1317560)
- Topics
- Health Sciences › Health Professions › Occupational Therapy › Assistive Technology in Communication and Mobility
- Social Sciences › Human Factors and Ergonomics › Digital Accessibility for Disabilities
- Social Sciences › Safety Research › Disability Rights and Representation
- Keywords
- visual impairment, independent living, assistive technology, grocery shopping, collaborative interaction, common ground, social integration, interpersonal relationships
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