Answer:
Attrition
Explanation:
Attrition refers to the participants leaving the research study due to different reasons. Here, it must be clarified that attrition happens in almost every research. Also, attrition happens only when the participants leave themselves and not when they are removed by the researchers. Also, attrition leads to attrition bias which must be considered in research when participants leave leading to attrition.
Answer:
Simple Random Sampling
Explanation:
Sampling is the process of drawing a small group of representative people from population.
Random Sampling is when all the units of population have equal chance of being chosen as a sample.
Simple Random sampling is choosing a subset randomly from the entire set.
Researcher recruiting participants for experiment by posting announcement in psychology department, asking for volunteers. It is a simple random sampling as sample is randomly drawn by invitation to volunteer from the population of all people in psychological department.
The African country that is believed to contain half of the world's gold deposits is the South Africa. <span>Diamond and gold discoveries played an important part in the growth of early </span>South African<span> . A site northeast of </span>Cape Town<span> was discovered to have rich deposits of diamonds, and thousands rushed to the area of Kimberley in an attempt to profit from the discovery. The British later annexed the region of </span>Griqualand West<span>, an area which included the diamond fields</span>
