To Obtain Data in a Survey, a Mailed Questionnaire Has

question 63

Multiple Choice

To obtain data in a survey, a mailed questionnaire has been used.Would you advise the researcher to follow up some of those in the sample who failed to respond to the questionnaire?

• A) Yes, a large sample will avoid bias.
• B) Yes, the respondents may differ from non-respondents.
• C) No, delayed returns would be of doubtful value.
• D) No, a certain loss of respondents is expected.

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Definitions:

Travel Time

The duration taken to move or transport from one location to another.

Commutes

The process of traveling between one’s home and place of work or study.

Kruskal-Wallis Test

A non-parametric statistical test used to determine if there are statistically significant differences between three or more groups of an independent variable on a continuous or ordinal dependent variable.

Level Of Significance

A threshold in hypothesis testing that determines whether an observed effect is statistically significant, often denoted as alpha.