¶ … statistical analyses used.
List the statistical procedures used to describe the sample.
Power analysis was used in order to discover power of effect. The power was set to 0.8 with a significant level of 0.05. Differences between the intervention and the control group were tested with Pearson's Chi. A t-test was used for the other perimeters. ANCOVA was used for testing changes between the two groups over time.
Was the level of significance or alpha identified? If so, indicate the level (.05, .01, or .001).
The level of significance was described. The power of the effect size was set to 0.8 with a significant level of 0.05. 0.05 was used throughout as perimeter of significance.
Complete the table below with the analysis techniques conducted in the study:
Identify the purpose (description, relationships, or differences) of each analysis technique.
Power analyses was used in order discover whether the test actually did discover a difference that did exist, in other words that the test avoided a Type II error and actually did record a statistical significance. For this reasons, one needs a significantly large enough population. 8 or greater is generally the power that is used, in other words that there is an 80% chance that one should find a statistically significant difference when there is one.
Pearson's Chi was used to test for distribution in sex, education (health care workers), current smoking...
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