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Answer:
A) The greater the variance within the population, the larger the sample should be.
Explanation:
The variance of a sample mean is inversely proportional to the sample size, that is, the larger the sample size the smaller the variability of the sample. When sample size increases, the range decreases and hence the variance decreases resulting in a more accurate research result with minimal experimental error.
Hence the researcher should employ a large sample size to reduce the variation in the population.
Answer:
<em>Reliability testing </em>
Explanation:
<em>In psychological research,</em><em> the term reliability testing is defined as one of the methods which are being used to describe the consistency of a particular study or research or measuring tests. In other words, it is described as the extent to which a particular assessment tool can produce consistent and stable results. </em>
<em>Reliability testing</em><em> makes sure that the response from a particular test must remain the same even after being conducted or measured after some time.</em>
They are interested in the process of change
Answer:
lingua franca
Explanation:
Swahili in east africa and english in global commerce are examples of lingua franca.
A lingua franca which is also refer to as bridge language, common language or link language is a language which is adopted as a mode of communication between speakers or groups of people whose native language or dialet differs, and it is mostly a third language which is different from the speakers or groups native language.
A whole language which is a language widely spoken and recognize internationally by diverse people can be recognized as a lingua franca
