ldentify the sampling techniques used, and discuss potential sources of bias (if

Question

ldentify the sampling techniques used, and discuss potential sources of bias (if any). Explain. Assume the population of interest is the student body at a university Questioning students as they leave an academic building, a researcher asks 338 students about their eating habits What type of sampling is used? A Systematic sampling is used, because students are selected roma ist with a xed i erval between students on 1st. 0 B. Stratified sampling is used, because students are divided into groups, and students are chosen at random from these groups. ° C. Cluster sampling is used, because students are divided into groups, groups are chosen at random, and every student in one of those groups is sampled. D. Simple random sampling is used, because students are chosen at random E. Convenience sampling is used, because students are chosen due to convenience of location. What potential sources of bias are present, if any? Select all that apply. A. University students may not be representative of all people in their age group Because of the personal nature of the question, students may not answer honestly. The sample only consists of members of the population that are easy to get. These members may not be representative of the population There are no potential sources of bias. B. C. D.

Explanation / Answer

Potential sources of biases will be the personal nature of question and easy to get sampling units.

Hence,

Option B and Option C are correct.

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