Final answer:
Roy's Toy Store is using the A. Observational research method to collect data through video monitoring in the toy aisles to study parent-child interactions.
Step-by-step explanation:
Roy's Toy Store uses video in the toy aisles to watch how parents and kids interact while shopping for toys. This is an example of the A) Observational research method of collecting data. Observational research involves the recording and analysis of subjects in their natural environment without intervention by the researcher. This method is often utilized to gather data on behaviors and interactions as they occur spontaneously, which is the case in Roy's Toy Store, providing insights into consumer behavior in a real-life context.
The research method being used by Roy's Toy Store is observational research. Observational research involves watching and recording behaviors or interactions without directly manipulating the variables being studied. In this case, the video cameras are used to observe how parents and kids interact while shopping for toys, providing valuable insights into consumer behavior and preferences.