Examlex
Psychologists define stress as
Statistical Analysis
The process of collecting, exploring, and presenting large amounts of data to discover underlying patterns and trends.
Research Hypothesis
A research hypothesis is a specific, testable prediction about the expected outcome of a study based on theoretical concepts or prior evidence.
Alpha Level
The threshold of probability set for rejecting the null hypothesis in a statistical test, often set at 0.05, indicating a 5% risk of concluding a difference exists when there is none.
Two-tailed Test
A statistical test used to determine if there is a significant difference between two groups in either direction.
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