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Since obtaining statistical significance is easier to obtain with a directional hypothesis (one-tailed test) than with a non-directional hypothesis (two-tailed test), why would anyone ever design a study with a nondirectional hypothesis? Please provide source.

Since obtaining statistical significance is easier to obtain with a directional hypothesis (one-tailed test) than with a non-directional hypothesis (two-tailed test), why would anyone ever design a study with a nondirectional hypothesis? Please provide source.
 
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  1. Since obtaining statistical significance is easier to obtain with a directional hypothesis (one-tailed test) than with a non-directional hypothesis (two-tailed test), why would anyone ever design a study with a nondirectional hypothesis? site the sources for follow and read on
  2. Analyze the characteristics of a good research hypothesis as well as a bad research hypothesis. Also, include what distinguishes a null hypothesis from a research hypothesis. Finally, make sure to address how you would explain the difference between nondirectional and directional research hypotheses.
  3. Quantitative research question3. Select a topic that you might pursue for your final project in this class. Then: a) Assert a hypothesis. Write a paragraph explaining the reasoning of that hypothesis. b) How might you measure the IV? How might you measure the DV? For each, provide a precise operationalization and its associated level of measurement. c) Based on that configuration of variables and measures, what statistical test would be appropriate for a bivariate hypothesis test?
  4. Your manager wants you to evaluate the difference in cycle time between three different offices. Describe the steps you would take in the evaluation to provide a report. You run a statistical test and end up with a p-value of 0. What does this tell us about the null hypothesis? Explain.