Researchers Studying the Relationship Between Sleep and Mood Found

question 106

Multiple Choice

Researchers studying the relationship between sleep and mood found

• A)the relationship was bidirectional.
• B)no relationship.
• C)the relationship was unidirectional.
• D)that an increase in negative moods does not lead to predictable changes in sleep patterns but an increase in positive moods does.

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Definitions:

P-value

The probability of obtaining test results at least as extreme as the results actually observed, under the assumption that the null hypothesis is true.

Type II Error

The error made when a false null hypothesis is not rejected.

Alpha Level

The threshold of significance in hypothesis testing, typically set at 0.05, indicating the probability of wrongly rejecting the null hypothesis.

Power Consumption

The amount of energy used by devices or systems over a certain period, often measured in watts or kilowatts.