Подчеркните ing- form, определите ее функцию в предложениях. on the other hand, complex pedagogic cal approaches can be difficult to set up and slow to develop, though they have the potential to provide more engaging learning experiences for students. somewhere between these extremes is an ideal pedagogy that allows a particular educator to effectively create educational materials while simultaneously providing the most engaging educational experiences for students. summary marketing can be defined as identifying and meeting consumers' wants profitably. it is not just selling, but the whole process of researching customer needs, designing the product, promoting the product, getting it into the hands of the consumer and ensuring that the cost of doing all this is less than the revenue. customer wants are identified through market research. there are two main classifications of research: desk research and field research. desk research is cheaper because it uses published material, perhaps already available in the firm, in trade magazines, in government statistics or from some other source. however, because it has been produced for some other purpose it may not provide the information a firm needs. field research can be specifically commissioned, and therefore targeted to provide detailed information. an example of field research would be a consumer panel testing and commenting on a trial version of a product. maturity time market research is the first stage of the product life cycle (see diagram above). products go through various stages from introduction to growth to maturity and finally into decline. the length of time it takes a product to go through each stage varies. some high-fashion products are designed to go through all the stages in just one season. other products, for example cabbages, have been in the maturity stage for centuries. the vast majority of ideas which firms come up with never get out of the development stage. this is because firms have decided either that there is no market for them or that they cannot satisfy the market profitably. the early stages of the product life cycle are expensive: paying for research, prototypes and machines, training workers, advertising, etc., while at the same time the product is not generating any revenue. during the introduction stage sales will hopefully take off, but marketing will still be expensive and production costs will always be incurred. even for successful products it will be some time before the cash flowing in will match all the cash which is flowing out and that which has been paid out on research and development.