Complete each sentence using a collocation One of the aims of our research was to identify certain patterns of .... specifically where they bought our products and how much we spent.

One of the aims of our research was to identify certain patterns of consumer behavior, specifically where they bought our products and how much we spent.

In this context, the collocation "consumer behavior" fits well because it refers to the study of individuals or groups and the processes they use to select, secure, use, and dispose of products, services, experiences, or ideas. This phrase is often used in marketing and research to analyze buying habits and preferences, which aligns with the objectives stated in the sentence. By understanding consumer behavior, researchers can gain insights into purchasing patterns and expenditure, making it a relevant and effective phrase to complete the sentence.