A large hardware store wants to make changes to its opening hours and range of stock. In order to find out how customers will react to the changes, the marketing manager plans to conduct interviews with existing customers. The interviews will be conducted in-store by staff using a paper survey on Monday between 8am and 5pm, Wednesday between 5pm and 11pm and Saturday morning between 9am and 12pm for a two week duration.

1. Discuss one strengths and one limitations of this research design in terms of either sampling, method, or ability to meet the research objective.

2. Suggest two changes you could make to the research design to improve the researchs ability to meet the research objectives.