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Survey
A research method used for collecting data from a predefined group of respondents to gain information and insights on various topics of interest.
Representative Samples
A subset of a larger population that accurately reflects the characteristics or behaviour of the whole population.
Sampling Bias
A statistical error that occurs when a sample is not representative of the population from which it is drawn, resulting in skewed findings.
Validity
Validity refers to the extent to which a test, measurement, or research study accurately reflects what it is intended to measure, ensuring that the results are truthful and reliable.
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