All of these studies are so-called randomized controlled trials, which are the gold standard of scientific experiments in humans.
The biggest of the studies included 135 overweight individuals, which were split into two groups (7): Treatment group: 1 gram of Garcinia Cambogia Extract, 3 times per day, taken 30 minutes before meals.
Placebo group: The other group took dummy pills (placebo). Both groups also went on a high-fiber, low calorie diet. These were the results of the 12 week study, which was published in The Journal of The American Medical Association (a highly respected scientific journal): Heymsfield, et al.
Definition of primary research: Experiments, investigations, or tests carried out to acquire data first-hand, rather than being gathered from published sources.
Primary research is designed to meet your unique and specific needs. This fundamental research is conducted by you (if you're on a tight budget), or by a research firm that you hire for the project—usually a firm that comes recommended by a colleague.
Primary research consists of a collection of original primary data. It is often undertaken after the researcher has gained some insight into the issue by reviewing secondary research or by analyzing previously collected primary data. Secondary research is defined as an analysis and interpretation of primary research. The method of writing secondary research is to collect primary research that is relevant to a writing topic and interpret what the primary research found.
Primary research is a methodology used by researchers to collect data directly, rather than depending on data collected from previously done maden.gacally, they “own” the data. Primary research is solely carried out to address a certain problem, which requires in-depth analysis. Definition: Primary Research. Primary Research refers to the process of collection & thereafter the analysis of primary data. It must here be mentioned that primary data is the data originated by the researcher to address the research problem.