Gay, Mills, & Airasian (2009). Educational research: Competencies for analysis and applications (9th edition).

“Nonparametric tests are not as powerful as parametric tests. In other words, it is more difficult with a nonparametric test to reject a null hypothesis at a given level of significance; usually, a larger sample size is needed to reach the same level of significance as in a parametric test.” (p 335)

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Hofstede, Hofstede, Minkov, & Vinken (2008). Values Survey Module 2008 Manual.

“A common misunderstanding about dimensions of national culture is that they are personality types. People want to score themselves on a dimension, or worse, try to score someone else. This is stereotyping, which is not what the dimensions are for. They do not apply to individuals, but to national societies.” (p 4)

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