This case is a comparative study between two countries: India and Iran. The aim was to measure viewers' perception toward TV commercials. In this study, a quantitative research method was used. This study is a descriptive research, which is useful when it is not possible to test and measure the large number of samples needed for quantitative types of study. To choose the sample, I employed the multistage sampling technique, which divides large populations into smaller groups to make the sampling process more practical. This technique is used when the population is spread over a wide geographical region, and it is difficult to procure a representative sample with only one technique. The main purpose of this study is to show how to avoid the problems of randomly sampling from a population that is larger than the researcher's resources
