Perceptions of Proposed Warnings for Cannabis Edibles Packaging

Summary

The purpose of this study is to compare a delayed-effects warning to an expanded warning developed in previous experiments on knowledge, harm perceptions, and willingness to try cannabis edibles. Additionally, this study will examine the effects of a corresponding icon on attention to and recall of the warning.

Conditions

• Cannabis Use

Interventions

BEHAVIORAL

No Warning Control

Participants in the control condition will see an edible cannabis package without a warning message.

BEHAVIORAL

Delayed Effects Text Only

Participants will see a cannabis edibles package with a warning message containing a delayed effects message.

BEHAVIORAL

Delayed Effects Plus Icon

Participants will see a cannabis edibles package with a warning containing a delayed effects message and a corresponding icon.

BEHAVIORAL

Delayed Effects Plus Dose

Participants will view a cannabis edibles package with a warning containing delayed effects message and dosing instructions.

BEHAVIORAL

Delayed Effects Plus Dose Plus Adverse Effects

Participants will view a cannabis edibles package with a warning containing delayed effects, dosing instructions, and adverse effects message.

Sponsors & Collaborators

• National Institute on Drug Abuse (NIDA)

  collaborator NIH

• Wake Forest University Health Sciences

  lead OTHER

Principal Investigators

• Beth Reboussin, PhD · Wake Forest University Health Sciences

Study Design

Allocation

RANDOMIZED

Purpose

OTHER

Masking

SINGLE

Model

PARALLEL

Eligibility

Min Age

18 Years

Max Age

65 Years

Sex

ALL

Healthy Volunteers

Yes

Timeline & Regulatory

Start

2026-05-28

Primary Completion

2026-08-31

Completion

2026-08-31

Countries

• United States

Study Locations