The selection of the significance level
A) is fixed at .05 for social science research.
B) depends on the size of the population.
C) is arbitrary, although .05 is frequently used.
D) must be decided after finishing the analysis.

Question

The selection of the significance level​
A) is fixed at .05 for social science research.​
B) ​depends on the size of the population.
C) ​is arbitrary, although .05 is frequently used.
D) ​must be decided after finishing the analysis.

Quizplus · Accepted Answer

The selection of the significance level is somewhat arbitrary, although a value of .05 is frequently used in social science research. The choice of significance level may depend on a variety of factors, including the nature of the research question, the size of the sample, the statistical power of the analysis, and the consequences of a Type I or Type II error. Ultimately, the choice of significance level should be made by the researcher in consultation with relevant stakeholders and should be clearly justified in the research report.

The Selection of the Significance Level​

The Selection of the Significance Level