Specific, Concrete Cannabis Warning Labels Held Attention and Improved Risk Recognition Better Than Generic Ones
An eye-tracking experiment found that cannabis warning labels with specific health consequence text significantly outperformed generic text in capturing attention and helping young adults recognize risks.
Quick Facts
What This Study Found
Labels with specific text about health consequences held attention longer and improved risk recognition compared to generic warnings. Adding vivid imagery further increased attention but did not significantly improve recognition beyond specific text alone. Pictograms increased attention compared to generic text but less than vivid imagery.
Key Numbers
163 young adult participants across 4 conditions. Specific text significantly outperformed generic text on both fixation duration and recognition scores. Vivid imagery enhanced attention beyond specific text. Pictograms enhanced attention but less than vivid imagery. Neither pictorial type improved recognition beyond specific text.
How They Did This
Eye-tracking experiment with 163 young adults randomly assigned to view cannabis warning labels with: (1) generic text, (2) specific text, (3) specific text with pictogram, or (4) specific text with vivid imagery. Attention measured by fixation duration; recognition assessed via post-exposure memory test with signal detection.
Why This Research Matters
Current cannabis warning labels are often dense, generic, and text-only. As cannabis products proliferate, designing effective warnings that actually capture attention and communicate risk is a public health priority.
The Bigger Picture
These findings parallel decades of tobacco warning research showing that concrete, specific messages outperform vague warnings. As cannabis markets mature, evidence-based label design could become a key regulatory tool.
What This Study Doesn't Tell Us
Lab-based eye-tracking may not reflect real-world label viewing. Young adult sample may not generalize to all consumers. Short exposure period does not capture repeated viewing effects. Recognition was tested immediately, not long-term retention.
Questions This Raises
- ?Would these findings hold in real dispensary settings?
- ?Do specific warnings actually change purchasing or consumption behavior?
- ?Should cannabis labels include graphic images as some tobacco labels do?
Trust & Context
- Key Stat:
- Specific text outperformed generic text on both sustained attention and risk recognition
- Evidence Grade:
- Moderate: randomized experimental design with objective eye-tracking measures, though lab setting limits ecological validity.
- Study Age:
- 2025 study.
- Original Title:
- Visual attention and memory retention of cannabis warning labels: an eye-tracking experiment with young adults.
- Published In:
- Annals of behavioral medicine : a publication of the Society of Behavioral Medicine, 59(1) (2025)
- Authors:
- Liu, Jiaying(2), Mi, Ranran Z, Jeon, Moonsun, Fabbricatore, Jessica L, Wicke, Rebekah, Cojulun, Lauren Raquel, Yang, Sijia
- Database ID:
- RTHC-06964
Evidence Hierarchy
Participants are randomly assigned to treatment or placebo groups to test cause and effect.
What do these levels mean? →Frequently Asked Questions
Do pictures on cannabis labels help?
Vivid images increased attention but did not improve risk recognition beyond what specific text alone achieved. For educational purposes, well-written text may be sufficient.
What makes a cannabis warning label effective?
Concrete, specific language about health consequences rather than generic warnings. Saying exactly what the health risk is holds attention and improves memory for the risk information.
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Cite This Study
https://rethinkthc.com/research/RTHC-06964APA
Liu, Jiaying; Mi, Ranran Z; Jeon, Moonsun; Fabbricatore, Jessica L; Wicke, Rebekah; Cojulun, Lauren Raquel; Yang, Sijia. (2025). Visual attention and memory retention of cannabis warning labels: an eye-tracking experiment with young adults.. Annals of behavioral medicine : a publication of the Society of Behavioral Medicine, 59(1). https://doi.org/10.1093/abm/kaaf094
MLA
Liu, Jiaying, et al. "Visual attention and memory retention of cannabis warning labels: an eye-tracking experiment with young adults.." Annals of behavioral medicine : a publication of the Society of Behavioral Medicine, 2025. https://doi.org/10.1093/abm/kaaf094
RethinkTHC
RethinkTHC Research Database. "Visual attention and memory retention of cannabis warning la..." RTHC-06964. Retrieved from https://rethinkthc.com/research/liu-2025-visual-attention-and-memory
Access the Original Study
Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.
This study breakdown was produced by the RethinkTHC research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.