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    The Science of Shopping Lists: 10 Insights from a Survey of 2,500

    Feb 20, 2018 | Field Agent

    Little-known fact: A grocery-shopping list, one containing fish, soup, bread, and wine, is among the few existing papers of the original Renaissance man, Michelangelo. We're talking 15th or 16th century. 

    Clearly, shopping lists are quite old.   


    They’re also quite powerful. 

    The very existence of shopping lists suggests many purchase decisions are made well before shoppers even enter stores. 


    Which is why shopping lists should matter to brands and retailers:

    If your product’s on the list…it’s probably getting bought.

    If your product isn’t on the list…well, odds just got that much slimmer.



    Of course, this discussion raises some intriguing questions:

    • Just how common are shopping lists—really?
    • How closely do shoppers actually follow shopping lists?
    • What do they include?
    • Do they influence spending amounts?


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    10 Quick Insights into Shopping List Usage


    Last week, retail-auditing and insights firm Field Agent surveyed 2,500 shoppers* about their use of grocery-shopping lists**. As the images suggest, we also gathered photos and screenshots of actual shopping lists in homes and on phones across the country.

    *All respondents were U.S. adults and smartphone owners at least 18 years of age. The survey was administered through the Field Agent mobile app. **The survey focused exclusively on grocery-shopping lists, which shoppers use to guide their purchases of groceries and household consumables. "Household consumables" include any non-grocery, non-durable goods like cleaning supplies, detergent, toilet paper/paper towels, pet supplies, baby supplies, personal care items, etc.


    Our ultimate aim was to understand the who, what, and how of shopping lists among contemporary shoppers. Below we present 10 insights from this survey.

    After all, one list deserves another.


    1. More than half use a shopping list "always" or "usually" when shopping


    In our survey of 2,500 shoppers, 21% indicated they “always” rely on a shopping list, and 35% “usually,” when purchasing groceries and/or household consumables.

    Only 5% “never” use shopping lists, intrepid souls, and 12% “rarely” use them.

    Clearly, shopping lists are pervasive.


    Shopping List Chart


    2. Usage is even across-the-generational-board


    And, no, shopping-list use is not more common among older shoppers than those younger whippersnappers.

    In our survey, 55% of shoppers ages 18-35 (n = 765) said they use grocery-shopping lists, compared to 56% of 35-51 year olds (n = 958) and 54% of 52-70 year olds (n = 318).


    Shopping List

    3. Some retailers have a higher concentration of



    Of respondents who shop primarily at Walmart (n = 939), 56% always or usually use a shopping list when purchasing groceries/household consumables, compared to 48% at Kroger (n = 254), 52% at Target (n = 140), and, get this, 67% at Aldi (n = 99).

    The Aldi sub-sample was admittedly small, but an interesting question for future research is whether customers who shop deep-discounters like Aldi are more likely to use shopping lists—if primarily or partly to stay on budget.


    4. Recall and saving time are the top reasons for use


    Why use a shopping list?

    Among those who use a grocery-shopping list at least sometimes (n = 1,705*), 72% said they do so to “avoid forgetting to buy certain things,” while 53% said it’s to “make the trip more efficient.”

    Notably, however, one-third indicated they use a shopping list to “stay on budget” (33%) and “make note of sales/coupons" (31%).

    *From this point forward, an asterisk* denotes a sub-sample of n = 1,705, or shoppers who at least sometimes use shopping lists when purchasing groceries and household consumables. 


    Shopping List Graph


    5. One-third of shoppers include specific brand names on their lists


    While designations like milk, bread, and eggs are no doubt common on grocery-shopping lists, how common are specific brand names—like, you know, Horizon organic milk or Sunbeam sandwich bread?


    See Also: Are Millennials Really Less Loyal to Brands?


    In Field Agent’s survey, more than three-quarters of shoppers*, 76%, said they include general product names (e.g., bread, milk) on their lists, while 34% said they actually include specific brand names.

    Sizes/quantity (43%) and spending amounts (21%) are also comparatively common inclusions.


    6. Most leave room for impulse purchasesShoppLists-Photo1


    Significantly, only 8% of respondents* said they “only buy what’s on the list” when using a list to purchase groceries/household consumables. Yet fully three-quarters, 75%, said they buy mostly what’s on the list, while allowing for one or a few additional purchases.

    This attests to the power of the shopping list…and its ability to dictate many purchases well before shoppers step into stores.


    7. Usage may put a damper on spending amounts


    Here’s the million, er, billion-dollar question: Do shopping lists influence spending amounts?

    Many shoppers think so.


    Forty-four percent of shoppers* in Field Agent’s survey believe they spend less when using a shopping list to purchase groceries and household consumables.


    Shopping List Chart


    8. Technology hasn’t replaced the paper shopping list


    Every respondent in Field Agent’s mobile survey was a smartphone owner—every. single. one. So one might expect heavy use of smartphones to maintain shopping lists.

    Not the case.


    The majority, 63%, of shoppers* indicated they use a simple sheet of paper to keep their shopping lists. Compare this to other relatively common means:

    • Note-keeping apps (e.g., Evernote): 30%
    • Retailer-specific apps (e.g., Walmart): 12%
    • Whiteboards: 8%
    • Shopping-list apps (e.g., ShopList): 6%

    Notably, only 5% said they currently use a voice-activated personal assistant, through, for instance, Amazon Echo or Google Home, to maintain a shopping list.



    9. Deciding-by-walking-around is a common alternative to shopping lists


    But not as common as “just remembering.”


    Respondents were asked, “How do you know what to buy when not using a list?”

    Sixty-four percent answered, “I just remember what I need.”

    Yet, more than half, or 56%, said they use the store itself as a shopping list—that is, they walk around the store, deciding if they need the products they see. (Ahem, can you say shopper marketing?)

    Another 22% said they send themselves texts and other messages, while 13% take their orders from someone else—and simply buy what they’re told.  


    10. Coupons may be the best way onto shopping lists


    Can brands actually influence shopping lists? Can they persuade shoppers to include their brands on grocery-shopping lists? 


    Field Agent offered all respondents a chance to respond to the question, "What, if anything, can a company do to get its product/brand on your shopping list?" 

    Many of their free-form responses mentioned coupons in one way or another, easily the top theme:

    As one agent said, "I typically stick with what I know. However, if coupons were available I would consider using a different product." 

    Or as another put more bluntly, "Coupons or low prices make the list."


    And it might just make sense, too.

    Whereas shopper marketing enters the stage after shopping lists have been made, coupons, weekly ads, and the like are often on-stage as shoppers are making their lists.


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