Identify and Explain a Source of Bias in the Study

question 130

Multiple Choice

Identify and explain a source of bias in the study described. Then suggest how the bias might have been avoided.
-A popular magazine ran a survey about a web site that provides driving directions. Readers could register their Responses on the magazine's web site.

• A)The magazine is biased in favor of the web site because it receives funding from the company. An independent pollster should be hired to run the survey.
• B)Because the respondents are self-selected, they are likely to represent those who have strong feelings about the issue. A better sampling method such as the simple random sampling used by most polling
• Companies is needed.

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Definitions:

Childhood

Childhood denotes the period in a human's life from infancy to puberty, characterized by growth, development, and learning.

Androgens

Male sex hormones such as testosterone that regulate the development of male characteristics.

Estrogens

A group of steroid hormones that play a major role in the regulation of the female reproductive system and the development of female secondary sex characteristics.

Follicle Stimulating Hormone

A hormone secreted by the anterior pituitary gland that promotes the formation of ova or sperm.