Compare and Contrast What Is Meant by Probability Value and Significance

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The Answer is Probability value is a characteristic of a statistic computed on a sample of participants. Significance level is cut-off level that researchers use to decide whether to reject the null hypothesis or not. In the second step of hypothesis testing, the researcher establishes the significance level. In educational research, this value is typically set at .05. This means that researchers are willing to accept the fact that the sample result would occur only 5% of the time or less. In the third step in hypothesis testing, the researcher analyzes her data and obtains probability values. Probability values represent the probability of the observed result or the statistical analysis or a more extreme value, if the null hypothesis is true. In the fourth step of hypothesis testing, the significance level and probability values are compared. If the significance level is larger than the probability value, the null hypothesis is rejected. If the significance level is smaller than the probability value, the null hypothesis is retained.

Compare and Contrast What Is Meant by Probability Value and Significance

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Compare and Contrast What Is Meant by Probability Value and Significance

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