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Related Experiment Video

Updated: Feb 24, 2026

A Microcontroller Operated Device for the Generation of Liquid Extracts from Conventional Cigarette Smoke and Electronic Cigarette Aerosol

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Published on: January 18, 2018

Initial Development of an E-cigarette Purchase Task: A Mixed Methods Study.

Rachel N Cassidy¹, Jennifer W Tidey¹, Suzanne M Colby¹

¹Center for Alcohol & Addiction Studies, Brown University, Providence, RI.

Tobacco Regulatory Science

|August 22, 2017

Summary

This summary is machine-generated.

Developing an e-cigarette purchase task (E-CPT) requires understanding user consumption units. Current methods are insufficient, as users prefer units like device cartridges or e-liquid volume over puffs for accurate demand measurement.

Keywords:

behavioral economics e-cigarettes purchase task vaping

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Area of Science:

Behavioral Economics
Tobacco Control Research
Public Health

Background:

Behavioral economic purchase tasks are established for assessing cigarette demand.
A validated purchase task for e-cigarettes is currently lacking.
Understanding e-cigarette consumption is crucial for public health research.

Purpose of the Study:

To identify appropriate units for an e-cigarette purchase task (E-CPT).
To inform the development of a valid measure for e-cigarette demand.

Main Methods:

Conducted focus groups with 28 current e-cigarette users.
Participants discussed daily use patterns and completed a preliminary E-CPT.
Analyzed qualitative data on consumption units and task validity.

Main Results:

Participants struggled to quantify daily use in puffs.
Relevant units varied by e-cigarette device type.
First-generation device users preferred device/cartridge units; e-liquid users preferred milliliters.

Conclusions:

A single E-CPT unit may not capture diverse e-cigarette use patterns.
Multiple E-CPT versions may be needed for valid e-cigarette demand assessment.