Difference among internal validity and external validity

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Reference no: EM1348222

1. Compare the advantages as well as disadvantages of the survey to those of observation. 100 word minimum

2. Explain the difference among internal validity and external validity. Describe the difference between randomization, random sampling and matching. 100 word minimum.

3. What are experiments? Compare the benefits of experiments with the advantages of survey and observational methods.

4. Offer a description of self-administered surveys and describe the advantages and disadvantages. 100 word minimum.

5. Offer a description of telephone surveys and explain the advantages and disadvantages. Page 249. 100 word minimum.

6. Offer a description of survey via personal interview and explain the advantages and disadvantages. 100 word minimum.

Reference no: EM1348222

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