Issues of Reliability and Validity of Data Assignment

Issues of Reliability and Validity of Data - Assignment Example whizz can take both types of data, primary as tumefy as secondary, for the consumers demand in these countries. Both the types of data are necessary for finding surface the consumer demand in a country. Primary data will provide the information which has not been collected before as it is collected as per the adopt of the research. Usually the process is expensive and time consuming. The secondary data provides information which has been collected by certain other orgaisations or professionals. So, it minimizes the cost as thoroughly as time. It uses the mediums like surveys, focus group, observations and experiments. To understand the consumer behavior through the analysis of secondary data, tools like purchase panels, database marketing, and neuroscience needs to be used. Qualitative as well as quantitative data are very important for analysis and ensuring the validity and reliability of the consumer behavior data. Quantitative data are more original and valid than the qualitative data. The method for establishing the validity and reliability of qualitative data takes the form of expert interview, participant feedback, regression analysis, and statistical analysis. The contents, structure, criterion and consequential military force provide the required validity. The countries from where data on consumer behavior needs to be collected, in order to meet the requirements of the paper, are USA, UK, Australia, India and Poland. Each of the nations has different markets with different role and demand pattern.