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Exam 10: Sampling

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Question 1

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The general rule in qualitative research is that you continue to sample until you are not getting any new information or are no longer gaining new insights.

A) True
B) False

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Question 2

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From a statistical perspective,probability sampling is preferred over non-probability sampling.

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B) False

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Question 3

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The sampling frame is a (physical)representation of all the elements in the population from which the sample is drawn.

A sample size of 40 is large enough.

If we want more precision,or more confidence,or both,the sample size needs to be increased.

Convenience sampling and quota sampling are examples of probability sampling.

A researcher who investigates the relationship between the loyalty program of a specific supermarket and the loyalty towards this supermarket,collects his data by questioning consumers who leave the specific supermarket on several daily periods.The sampling method used by this researcher is called:

The bigger the sample size,the better.

Snowball sampling and judgement sampling are both non-probability sampling designs.

As a sampling technique,qualitative research generally uses non-probability sampling as it does not aim to draw statistical inference.

Cluster sampling is the least reliable and efficient among all probability sampling designs.

In probability sampling all elements of a population have a known and equal chance of being chosen.

When the properties of the population are not over-represented or under-represented in the sample,we will have a representative sample.

When samples are to be broken into subsamples,a minimal sample size of 10 is necessary for each category.

A researcher wants to investigate the relationship between the use of drugs and study results of students.He would like to generalize the results to the population.Which of the following sampling methods would usually be the best to use?

Which of the following sampling designs is a form of non-probability sampling?

With systematic sampling the population is first divided into meaningful segments;thereafter,subjects are drawn in proportion to their original number in the population.

If representativeness of the sample is critical for the study,which of the following sampling techniques would you choose?

The most important disadvantage of a convenience sample is that:

The payroll of an organization would serve as the sampling frame if its members are to be studied.