Examlex
In the context of the stages of change model,which of the following is a key element in the preparation/ determination stage?
Degrees Of Freedom
The number of independent values or quantities which can be assigned to a statistical distribution minus the number of parameters estimated.
Significance Level
The probability of rejecting the null hypothesis in a statistical test when it is true, commonly set at 0.05 or 5%.
Chi-Square Value
A statistic that measures the difference between observed and expected frequencies to test for independence in categorical variables.
Null Hypothesis
A hypothesis used in statistical testing that assumes no significant difference or effect exists between certain states or variables.
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