Combining verbal analysis protocol and wireless audiovisual observation to examine consumers' supermarket shopping behaviour

The study investigates the benefits of using a verbal analysis protocol combined with wireless audiovisual observation technology to collect information about consumer behaviour in real‐life environments. A sample of consumers (n = 36) were given a task to select food products in 11 different categories in a supermarket. Combining methods enabled simultaneous collection of multiple forms of qualitative and quantitative data by recording data simultaneously from different perspectives: the consumer's visual range; the wider shopping environment, to provide context; the consumer's verbalizations. Qualitative data on extrinsic and intrinsic factors that affect decision making and quantitative data on product selection time were taken as an example of rich and real‐time data obtained using the combined methods. Audiovisual material was analysed by Usability Test Software 2.0, verbal analysis data were sorted by a database programme and quantitative data were processed using SPSS 17.0. The study design provided sensitive verification of the nature of consumer interaction with the shopping environment: e.g. during the product selection time (average 23 ± 10 s/product), the interaction with the environment varied between individuals and among products selected. The approach represents a useful technique to enable the value of consumer input to direct innovation in consumer‐oriented product development. It also offers new perspectives to consumers and authorities and related organizations to understand shopping behaviour and the role of critical factors behind the food choices at the supermarket.