RES 342 Week 2 Discussion Questions

What is an independent sample? What is a related sample? When should researchers use different hypothesis tests for independent and related samples? Is one type of sample preferable over the other?

What is a Type I error? Explain how the cumulative Type I error affects your decision making.  How is the two independent sample t-test different from ANOVA?

Describe the requirements that must be met before an ANOVA test can be used. Discuss what the researcher should do if one of these requirements is not met.

What is the role of probability in business research?

Discuss the differences between validity and reliability. Are the two concepts related or not. Support your answer with an example.