一、访问调查法调查人员通过面对面的询问与观察被调查者已获得市场信息的一

1. Interview Investigation Method A method in which <br>investigators obtain market information through face-to-face inquiry and observation. It is divided into household interview method, intercept interview method, computer-assisted interview method, focus group discussion method and in-depth interview method. <br>2. Observation method-the investigator observes the behavior of the investigator on the spot directly or through an instrument and records the traces of his behavior to obtain first-hand information. There is no direct contact between the two parties and there is no need to answer questions. <br>3. Experimental investigation method---In the investigation, by changing some variables under certain conditions while keeping other variables unchanged, in order to measure the effect of these variables, the investigation method to obtain first-hand data. An effective means to study the causal relationship between the various factors of a specific problem. It is often used to study the effect of a certain product when changing packaging, price, advertising and other factors. <br>4. Copywriting law---an investigation method to collect second-hand information through methods such as viewing, reading, searching, screening, editing, purchasing, and copying. <br>V. Internet Investigation Method---Investigation method of using the Internet to collect market information

1、 Interview survey method<br>A method by which investigators obtain market information through face-to-face inquiry and observation. It is divided into household interview method, interception interview method, computer-aided interview method, focus group discussion method and in-depth interview method.<br>2、 Observation method - an investigation method in which investigators directly or through instruments observe the behavior of the investigated person on the spot and record their behavior traces to obtain first-hand information. There is no direct contact between the two sides and there is no need to answer questions.<br>3、 Experimental investigation method --- in the investigation, the influence effect of these variables is measured by changing some variables under certain conditions while keeping other variables unchanged, so as to obtain first-hand data. It is an effective means to study the causal relationship between the factors of a specific problem. It is often used to study the effect of a commodity when changing packaging, price, advertising and other factors.<br>4、 Copywriting --- an investigation method to collect second-hand data by means of viewing, reading, retrieval, screening, editing, purchase and reproduction.<br>5、 Network survey method --- the survey method of using the Internet to collect market information

I. Visiting survey method A method by which investigators ask face-to-face and observe that the respondents have obtained market information. It can be divided into household access method, interception access method, computer-assisted access method, focus group discussion method and in-depth interview method. Second, the observation method-the investigator observes the behavior of the respondent directly or through instruments on the spot and records the traces of his behavior to obtain first-hand information. There is no direct contact between the two parties and there is no need to answer questions. Third, the experimental investigation method-in the investigation, by changing some variables under certain conditions while keeping others unchanged, in order to measure the influence effect of these variables, so as to obtain first-hand information. An effective means to study the causal relationship among the factors of a specific problem. It is often used to study the effect of a certain commodity when changing the factors such as packaging, price and advertisement. 4. Copywriting method-an investigation method to collect second-hand information by means of viewing, reading, searching, screening, editing, purchasing and copying. V. Internet survey method-a survey method for collecting market information by using the Internet.