grand canyon hlt540 week 3 and 4 discussions

| November 9, 2018

week 3Given that there is a documented advantage to the use of an experimental and control group design, discuss why other designs are frequently used, and the situations that may prompt the use of one.Discuss your understanding of the concept of internal validity in a research study, and the impacts of several errors or biases that can reduce the study’s validity.week 4Why do you think so many people have problems with using, interpreting, or applying statistics in making business decisions?As you have learned to evaluate different research studies, what elements seem the most important to you for evaluation of the research’s quality? Why?

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