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### DefinitionsUpDw('Definitions','-Abz-');

1. When a false null hypothesis is accepted, it is called Type II error (b).

### AcceptingUpDw('ACCEPTING','-Abz-');

1. The more this assumption is violated, the more conservative ANCOVA becomes (the more likely it is to make Type I errors - accepting a false null hypothesis). (Web site)

### Power LevelUpDw('POWER_LEVEL','-Abz-');

1. Conventionally, studies should reach a power level of 0.8, such that four times out of five a false null hypothesis will be rejected by a study. (Web site)

### Correct DecisionUpDw('CORRECT_DECISION','-Abz-');

1. If you reject the false null hypothesis, you have made a correct decision. (Web site)

### RejectingUpDw('REJECTING','-Abz-');

1. Power of a test is the probability of correctly rejecting a false null hypothesis.
2. Statistical power (1 - β) is the probability of rejecting a false null hypothesis.

### True Null HypothesisUpDw('TRUE_NULL_HYPOTHESIS','-Abz-');

1. The outcome that a researcher desires is to reject a false null hypothesis or to fail to reject a true null hypothesis. (Web site)

### False Null HypothesisUpDw('FALSE_NULL_HYPOTHESIS','-Abz-');

1. The power of a statistical test is the probability that the test will reject a false null hypothesis (that it will not make a Type II error). (Web site)
2. Rejecting a null hypothesis that is true is called a Type I error and failing to reject a false null hypothesis is called a Type II error. (Web site)
3. However, smaller α-levels run greater risks of failing to reject a false null hypothesis (a Type II error), and so have less statistical power. (Web site)

### CategoriesUpDw('Categories','-Abz-');

1. True Null Hypothesis
2. Statistical Test
3. Rejecting
4. Evaluation > Analysis > Tests > Statistical Power
5. Correct Decision
6. Books about "False Null Hypothesis" in Amazon.com  Short phrases about "False Null Hypothesis"   Originally created: April 04, 2011.   Links checked: May 24, 2013.   Please send us comments and questions by this Online Form   Please click on to move good phrases up.
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