Table A1

Measurement scales

OCEDo you have experience making a purchase decision using a combination of online and offline communication channels (e.g. searching online and then buying from an offline store or searching from an offline store and then buying online)?
Answer: Yes/No
Omnichannel IMC
IMC consistency (Butkouskaya et al., 2020; Shi et al., 2020)
IMC1Company's communication message keeps consistent in all the visual components (e.g. logo/trademark, advertisement design, web page style, etc.) to maintain how receivers perceive them
IMC2Company's communication message maintains consistency in all the linguistic components (e.g. slogan, promo texts, brochures, etc.) to maintain how receivers perceive them
IMC3Company's communication messages through all media channels (both online and online) are coordinated carefully to maintain how receivers perceive them
IMC4Descriptions of products are integrated across different channels
IMC5The information about products is integrated across different channels (both online and offline)
IMC6The launch of new products is synchronous across different channels (both online and offline)
IMC7The information about services is integrated across different channels (both online and offline)
IMC interactivity (Porcu et al., 2017)
IMC9The company promotes the creation of special programs to facilitate my inquiries and complaints about the company's products and service
IMC10High availability of fast and customer-friendly responses to questions and complaints to clarify the confusion with the communication message perceived by receivers
IMC11Company's communication messages keep consistent between product and service messages, deriving from the experience of dealing with the organization, its staff, agents and products
IMC12I perceive that the communications with the company are reciprocal and facilitate establishing a trust-based and ongoing dialogue
IMC connectivity (Shi et al., 2020)
IMC13I can check inventory status across different channels
IMC14I can query commodities information across different channels
IMC15I can check offline inventory through different online channels
Productsatisfaction (Butkouskaya et al., 2020)
PS1My decision to purchase a product/service from (Brand) was a wise one
PS2I feel good about my decision to purchase (Brand’s) product
PS3I am pleased that I purchased the product from the (Brand)
PS4If someone asks me, I will positively respond about the (Brand)
Retail service satisfaction (Sorkun et al., 2020)
SR1My feelings towards the retailer are very positive
SR2I feel good about choosing this retailer for the offerings I am looking for
SR3Overall, I am satisfied with this retailer and the service it provides
SR4I feel satisfied that this retailer produces the best results that can be achieved for me

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