Participation 4 Essay Example | Topics and Well Written Essays - 250 words - 3

Participation 4 - try ExampleProbability sampling uses random sampling method, where the tec selects parties to the study randomly. This ensures that the study eliminates bias and makes it easier for the research worker to estimate the sampling error.In his article painter describes the use of probability sampling in research. The recitation he focuses on is on selection of households from a certain cross section area. The study whitethorn focus on selecting all households, which will include even newer households. Alternatively, in selecting a sample the researcher can exclude the newer households and consider those that have resided in the area for a while. The study, therefore, will use a cluster sample, which will focus on areas with old residents.The focus was on European piddles and their efforts to mitigate the status of these waters. In this study, they use judgmental sampling method. In their research, they have selected certain water bodies that they designate to exam ine and come up with ways of improving their status. The rationale for using judgemental sampling method is that the water bodies are certain and therefore, the researcher has to focus on a certain area of