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How to Measure Store Performance. Measures of Individual Store Performance. How to Measure? Mystery-shopper/purchase surveys Process data In-store premise surveys Why measure? Evaluate programs Compare stores Demonstrate compliance. How Do We Measure Individual Store Performance?.
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Measures of Individual Store Performance How to Measure? • Mystery-shopper/purchase surveys • Process data • In-store premise surveys Why measure? • Evaluate programs • Compare stores • Demonstrate compliance
How Do We Measure Individual Store Performance? Issues: • What to measure? Any sale or prevalence? • Purchasers overage, underage, or appear underage? • Store performance complex and highly variable (inconsistent over occasions) • Many levels of factors important • Need observations at different times and days with different clerks
Complex Factors Affect Sales Rates Broader Legal and Social Environment Corporate Characteristics Clerk Store Characteristics Context
Broader Legal and Social Environment • State laws and statutes • Local ordinances • Enforcement levels • Community action • Community norms
Corporate Characteristics • Corporate norms • Corporate policies • Communication/training • Management practices
Store Characteristics • Manager norms • Store policies • Communication/training • Management practices
Context Shopping Context • Time and day of week • Number of clerks present • Number of other customers present • Manager present Customer Characteristics • Customer age • Customer gender • Customer appearance
Clerk Characteristics • Age • Gender • Experience • Commitment to organization • Own smoking and drinking behaviors • Perceptions/beliefs
Oregon Youth Access to Alcohol Project • Alcohol purchase surveys • Youthful appearing buyers • 385 randomly selected outlets in 45 Oregon communities
Oregon Youth Access to Alcohol Project: Predicting Sales Rates Factors Related to Sales Rates • Community • Store type • Participant in OLCC Responsible Vendor Program • Clerk asked for ID • Signage • Number of clerks • Clerk’s age
Summary • Accurately measuring individual store performance is very difficult • Measures are highly variable • Performance is affected by a wide range of factors • Ultimately, what is being measured is the behavior of a clerk within a specific context • Adequately capturing individual store performance requires a large number of measures at different times, days, and with different clerks • Performance at the aggregate level (e.g., chain, community) more easily measured