Explore BrainMass

Explore BrainMass

    Levels of Significance & Altering Decision Rules

    Not what you're looking for? Search our solutions OR ask your own Custom question.

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    Can levels of significance and the decision rules (correlation analysis and regression analysis) be altered after a study is underway? Why (or why not)? What about sample sizes? Why?

    When two variables are correlated, does this mean that we can conclude one variable caused the other? Why -- or why not?

    © BrainMass Inc. brainmass.com March 4, 2021, 8:22 pm ad1c9bdddf
    https://brainmass.com/business/strategy-and-business-analysis/levels-significance-altering-decision-rules-163214

    Solution Preview

    Typically, a level of significance is specified in the earlier part of the hypothesis testing process, before the test statistic based on sample data is calculated. However, the level of significance (and consequently the decision rule) can be altered after a study is underway to make a result more useful/ acceptable. For example, if we fail to ...

    Solution Summary

    233 words discusses the influence of significance on decision rules and variable correlation.

    $2.49

    ADVERTISEMENT