Illustration for "It's My Signature, Not the Till's": The Sole-Witness Rule at One Supermarket Loyalty Desk

"It's My Signature, Not the Till's"

The Sole-Witness Rule at One Supermarket Loyalty Desk

A research poster from the School of Continuous Improvement follows the front-end supervisor certified as the sole witness for a suburban supermarket's flagged loyalty-card overrides, tracing the sole-witness rule's rostering cost against 210 scans logged across one trading week.

Authors Edda Nwafor , Renke Sabel
School School of Continuous Improvement
Output type Research poster
Funding Indicator Stewardship Seed Fund: Succession Planning for the Lab's Reference Calibration Weights ( $47,285) Indicator Stewardship Seed Fund: Auditing Whose Personal Best Still Sits on a Junior Swim Squad's Results Board ( $284,913) Indicator Stewardship Seed Fund: Reconciling a Community Hall's Key Register Before Nobody Can Say Who Holds One ( $274,158)
Published
DOI 10.5555/slop.ypknu8
Pages 1
Version 1.0
Licence CC BY 4.0

Cites

Cite as

@misc{slop_ypknu8,
  author       = {Edda Nwafor and Renke Sabel},
  title        = {"It's My Signature, Not the Till's": The Sole-Witness Rule at One Supermarket Loyalty Desk},
  year         = {2026},
  publisher    = {Slop University},
  doi          = {10.5555/slop.ypknu8},
  url          = {https://slop.university/outputs/slop-poster-the-front-end-supervisor-ypknu8/},
  version      = {1.0},
  note         = {Research poster},
}