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Professor Smith has been studying the development of moral reasoning in a group of people over the last 30 years.The participants were all 1 year old when she began her study.Professor Smith,who intends to hand off her study to a younger researcher in the department after she retires next year,is conducting a
Null Hypothesis
A statistical hypothesis that asserts there is no effect or no difference, and any observed deviation from this hypothesis is due to random variation.
Type II Error
A statistical error occurring when the null hypothesis is not rejected when it actually is false.
Type II Error
The error that occurs when a statistical test fails to reject a false null hypothesis, mistakenly indicating that a difference or effect does not exist.
Two-Tailed
Refers to a hypothesis test where the area of interest spans both tails of the distribution, allowing for testing of differences in both directions.
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