INSTRUCTIONS: Answer the single best answer to each question below. NAME 1. Whic

Question

INSTRUCTIONS: Answer the single best answer to each question below. NAME 1. Which type of question does not allow the researcher to perform statistical analysis? a. closed ended b. multiple choice open-ended dichotomous Which of the following is an incorrect statement concerning questionnaire layout? a. Position threatening or sensitive questions last b. Allow plenty of space for open-ended questions. C. Always place demographics questions at the beginning. d. Position questions that require the most effort in the middle. e. None of these is an incorrect statement. 3. population has a known and equal chance of being selected. samples must be selected in such a way that every element of the a. Cluster b. Simple random c. Convenience d. Systematic random e. Stratified random 4. The type of error which results from the fact that samples are not perfectly representative of the populations from which they are drawn is known as . measurement error b. systematic error C. sampling error d. nonsampling error selection error Higher levels of confidence generally require: a. larger sample sizes b. greater variance. c. smaller sample sizes. d. smaller standard deviation. 5. About 68% of the area under a standard normal curve covers one a. b. sample 6. mean variance standard deviation c. median e.

Explanation / Answer

1.Open ended questions are exploratory in nature and provide rich qualitative data.Being qualitative in nature these questions lack the statistical significance needèd for conclusive research.

2.Always place demographic questions in the beginning is an incorrect statement concerning questionnaire layout because the reader or the person answering the questionnaire should not feel that you are biased in demographics base.

3.Simple random samples must be selected in such a way that every element of the population has a known and equal chance of being selected.

4.Selection error is the type of error which results from the fact that samples are not perfect representatives of the population from which they are drawn.

5.Larger sample size are generally required by higher levels of confidence.

6.About 68% of the area under a standard normal curve covers one mean.

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