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This study will experimentally assess the comparability of in-lab and remote procedures with hypothetical and real ETM purchase outcomes.
In a between-group within-subject repeated measures design, participants will be randomly assigned to one of two procedures (in-lab or remote; between-group) and complete two conditions (real and hypothetical; within-subject), which include six trials assessing increasing cigarette prices.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| In-lab procedures | Experimental | Exclusive cigarette smokers will be recruited and will experience all study procedures in the laboratory. |
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| Remote procedures | Experimental | Exclusive cigarette smokers will be recruited and will experience all study procedures remotely. |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Reat ETM | Drug | Exclusive cigarette smokers will be recruited and will be exposed to the real ETM condition in which tobacco purchases are real and they receive products from one randomly selected trial. |
| Measure | Description | Time Frame |
|---|---|---|
| Cigarette demand | Participants will complete purchasing trials in an Experimental Tobacco Marketplace (ETM) with cigarettes increasing in price. Other product prices in the ETM will remain constant. To obtain dependent measures of demand, participants' purchasing of the price-manipulated commodity in the ETM task will be fit to a modified exponential equation to quantify the relationship between the price of each commodity and purchasing: Q=Q0*10k(exp(-αQ0C)-1) where Q is purchasing of the commodity, C is the price, Q0 is the derived initial purchasing without cost constraints (demand intensity), k is the span of the function in logarithmic units, and α is the demand elasticity. | 1 day |
| Nicotine/tobacco products substitution | Participants will complete purchasing trials in an Experimental Tobacco Marketplace (ETM) with cigarettes increasing in price. Other product prices in the ETM will remain constant. To obtain estimates of substitution of price-constant products in the different ETM conditions, the investigators will use ordinary least squares regression to model the relationship of the price-manipulated product to predict total quantity purchased of the price-constant product. | 1 day |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Jeffrey Stein, Ph.D. | Fralin Biomedical Research Institute at VTC | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Fralin Biomedical Research Institute | Roanoke | Virginia | 24016 | United States |
The study team will share de-identified data upon request.
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| ID | Term |
|---|---|
| D000073865 | Cigarette Smoking |
| ID | Term |
|---|---|
| D000073869 | Tobacco Smoking |
| D012907 | Smoking |
| D001519 | Behavior |
| D064424 | Tobacco Use |
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Participants will complete two Experimental Marketplace conditions, representing one with real and one with hypothetical purchasing outcomes. Within each condition, taxes will be increased proportionally across 6 trials to examine how cigarette purchasing, substitution, and poly-tobacco purchasing (i.e., diversity in products purchased) are affected.
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| Hypothetical ETM | Drug | Exclusive cigarette smokers will be recruited and will be exposed to the hypothetical ETM condition in which tobacco purchases are hypothetical and they don't receive any products. |
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