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What is the advantage of samle survey over census?
A sample survey is quicker and cheaper. If the survey is well designed then the results are likely to be close to their true values.
Do data analysis help people in understanding the result of a survey conducted?
Data analysis must be used to understand the results of a survey. Otherwise, the data collected by the survey would remain a jumbled collection of data.
What are the three means of demonstrating measurement reliability?
1. Test-retestIn the test-retest method of determining reliability, the same instrument is administered twice to the same population, and if the results are the same, stability of measurement is assumed.An example would be giving the same survey questions to a group of people, then latter giving the same group of people the same survey with the same question. Now if both surveys have the same results then there is reliability in the survey.2. Multiple formsMultiple forms involve the administration of alternate forms of the instrument to the same group.
What is self-selected sampling?
Self-selected sampling is a technique in data gathering which participants are taking initiative in the test or survey conducted. This brings results that are often biased and inconclusive.
What are leading questions in an sample survey?
The leading questions in a sample survey is the purpose of the survey and the expectations of the interviewees.
