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A School Psychologist Is Using a Depression Inventory—on Which a Score

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A school psychologist is using a depression inventory—on which a score of 0 indicates no depression and a score of 10 indicates severe depression—to see if the level of depression in fourth graders in a particular class of 20 students differs from that of fourth graders in general at a school. The results of previous testing indicate that fourth graders at the school usually have a score of 5 on the scale, but the variation is unknown. The current sample of 20 fifth graders has a mean depression score of 4.4.
-The psychologist tests the null hypothesis that the level of depression of fourth graders in this class does not differ from fourth graders in general at the school and obtains a t score of -0.20.The decision regarding the null hypothesis would be to


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Expert

An individual with a high level of knowledge or skill in a particular area, typically acquired through education, training, or extensive experience.

Constructive Fraud

A type of fraud established by an abuse of a trust relationship where there was no intent to deceive, but the actions or negligence led to a breach of duty which resulted in harm.

Material Fact

A material fact is a fact that, if known, would influence an individual's decision in a transaction or in a legal case, thereby having a significant impact on the outcome.

Recklessly

Acting with disregard for the safety or consequences of one's actions, often leading to potential harm or risk.

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