What answer best describes data sources for a professional marketer to understand a market or opportunity? Primary and Secondary data can be both sources for insights and information. Secondary data is always more valuable that Primary data sources. There is both Primary and Secondary data sources. Secondary data was previously gathered or acquired that be useful when assessing a new marketing project. Primary data is data gathered for a specific purpose or project. Both Primary and Secondary data can be very useful in making marketing decisions. Primary data sources are always the best source to use when making a marketing decision. Secondary data sources are always the best source for making marketing decisions. Chapter 7 Crafting a Customer Value Proposition and Positioning. Developing a value proposition is a very important part of developing a marketing strategy for a product, service, experience, or personal brand. An offering can create value across multiple dimensions. What are these dimensions? An offering can create value across technical, functional and monetary dimensions. An offering can create value across monetary functional, technical dimensions. An offering can create value across psychological, functional and monetary dimensions. An offering can create value across psychological, monetary and technical dimensions