Sampling Methods Essays -- Statistics

Sampling is the framework on which any form of research is carried out. A suitable seek that meets the inclusion and exclusion criteria of a research blueprint must be chosen from a given race to ask out studies. In this essay comparison is made between secernate stochastic sampling and convenience sampling. The population on which the investigator is raise in carrying out his or her research may be too large, therefore a suitable sample which can represent the population in correct proportion must be chosen. Restraints such as limitation of time, resources and many other factors necessitate the selection of a sample for research purpose so that better quality selective information is obtained from it and that the research worker can make statement about the population he or she is interested in (French,S et al.,2001,).The method of sampling should be cost effective, slight time consuming and be simple in design to realize participants but care should be taken that accur ate and valid data can be collected. The sample on which the theme is actually through with(predicate) is derived from the population which is get-at-able to the researcher the study sample may involve all of the accessible population or a fraction of it and this accessible population is a part of the target population. The target population is the sight of cases to which generalization can be made and on which the researcher is at long last interested in (Sim,J and Wright,C. 2000). Hence the entire process of collection of samples for the indented study can be termed as sampling. Sampling is broadly divided into chance sampling in which the selection of samples are done at random and non- probability sampling where selection of samples is entirely dependent on the researchers choice and ... ...ana, M., (1997). Research for the wellness professional A applicative guide. 2nd ed. Philadelphia F.A. Davis.Bowling, A., (2001). Research methods in health Investigating health and health services. 2nd ed. Berkshire Open University press.Buddhakulsomsiri, J. Parthanadee, P.,(2008).Stratified random sampling for estimating billing accuracy in health care system. Health care management science, vol.11 (1), pp.41-54. Available throughmedline(accessed 25 0ct 2010).French, S. Reynolds, F. Swain, J., (2001). Practical research A guide for therapist. 2nd ed. Oxford Butterworth Heinemann.Portney, L, G. Watkins, M, P.,( 2009). rear end of clinical research Application to practice. 3rd ed. Upper saddle River, N.J Pearson apprentice hall.Sim, j. Wright, C.,( 2000). Research in health care Concepts, Design and Methods. Cheltenham Stanley thrones (publisher) Ltd.