Final answer:
When a customer isn't shopping alone, c) engaging with the entire party fosters a positive experience and makes each member feel included. This personal touch in service can lead to better business outcomes and a better understanding of group behaviour.
Step-by-step explanation:
If the customer isn't shopping alone, you can include the rest of the party by acknowledging and engaging with everyone present. This approach creates a welcoming environment and shows attentiveness and respect to all individuals in the group. Moreover, this method can encourage collective decision-making, leading to a positive shopping experience for the entire party. It is essential to personalize every invitation and request, ensuring that each member feels considered, which could be beneficial to the business. Furthermore, by joining relevant groups and participating in discussions, a business can better understand the dynamics of group interactions and apply this knowledge to enhance the group shopping experience. An example of collective behaviour would be a group of people interested in hearing an author speak, as it represents the collective interest and action of various individuals.