3 kg (2. 8 pounds) more weight loss compared to placebo, over a period of 12 weeks. They found no difference in appetite between groups (8).
Overall, I looked at 4 more studies. Two of them showed weight loss of a few pounds over a period of 8 weeks (9, 10), but the other two showed no effect (11, 12).
Secondary research uses outside information assembled by government agencies, industry and trade associations, labor unions, media sources, chambers of commerce, and so on. It's usually published in pamphlets, newsletters, trade publications, magazines, and newspapers. Secondary sources include the following: Public sources.
Secondary market research is usually thought of in terms of two categories: Information from internal sources (held by a particular company or agency), and information from external sources (held outside of a particular business enterprise, organization, or agency).
Sources of Secondary market research The key point when thinking of secondary market research are the sources which will provide this data. As the key objective of this research is to provide information, the other key important point is time. SECONDARY MARKET RESEARCH. Secondary market research is mainly based on collecting information from different sources and then coming to a conclusion. The following are the two main types of Sources of Secondary market research data: Internal sources.
Secondary Market Research Secondary research is based on information from studies previously performed by government agencies, chambers of commerce, trade associations, and other organizations. For example, U.S. Census Bureau information and Nielsen ratings are secondary market research. An explanation of the differences between primary and secondary market research methods.