An opinion poll, often simply referred to as a poll or a survey, is a human research survey of public opinion from a particular sample. Opinion polls are usually designed to represent the opinions of a population by conducting a series of questions and then extrapolating generalities in ratio or within confidence intervals

Social and economic analyses are complementary to each other and provide critical inputs to project design and appraisal process. Economic analysis helps determine, ex-ante, whether a project or policy contributes to a society’s or a country’s welfare, in other hand Social analysis is a process that aims to identify the social dimensions of project or policy, as well as analyze the different stakeholder perspectives and priorities.

Qualitative research is a process of naturalistic inquiry that seeks an in-depth understanding of social phenomena within their natural setting. It focuses on the "why" rather than the "what" of social phenomena and relies on the direct experiences of human beings as meaning-making agents in their every day lives

Segmentation studies identify the consumer segments that comprise a market. Segmentation offers a better understanding of consumers by identifying their similarities and differences. By breaking markets into segments with unique wants and needs, companies are able to more carefully target product development and marketing programs to the needs of individual segments, thus providing keys to growing share in a category.