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.
Types of Quantitative Design. Descriptive research seeks to describe the current status of an identified variable. These research projects are designed to provide systematic information about a phenomenon. The researcher does not usually begin with an hypothesis, but is likely to develop one after collecting data.
There are four main types of quantitative research designs: descriptive, correlational, quasi-experimental and experimental. The differences between the four types primarily relates to the degree the researcher designs for control of the variables in the experiment.
In quantitative research your aim is to determine the relationship between one thing (an independent variable) and another (a dependent or outcome variable) in a population. Quantitative research designs are either descriptive (subjects usually measured once) or experimental (subjects measured before and after a treatment). Descriptive Research Design: Definition, Examples & Types. Descriptive research is a study designed to depict the participants in an accurate way. More simply put, descriptive research is all.
Quantitative research design also tends to generate only proved or unproven results, with there being very little room for grey areas and uncertainty. For the social sciences, education, anthropology and psychology, human nature is a lot more complex than just a simple yes or no response. Types of quantitative research question. Dissertations that are based on a quantitative research design attempt to answer at least one quantitative research jctgkzv.ml some cases, these quantitative research questions will be followed by either research hypotheses or null jctgkzv.mlr, this article focuses solely on quantitative research .