We have included the following resources and links for you to get guidelines and know-how about conducting a Market Research Survey in your country. If your organization is not listed in this directory, please do not hessitate to contact us at dmedina@rotatorsurvey.com, we can add it.
We include in this section a sample size calculator that allows you to estimate the sample size for both finite and infinite populations. In addition, you will find an explanation of the basic concepts of sampling, such as the confidence interval and sampling error, which are essential to ensure the representativeness of the sample and the validity of the research.