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In some late-model engines, head bolts are purposely torqued to within 2% of their yield point. This method, known as ____________________, provides a more consistent clamping force and the most fatigue resistant joint possible.
Random Assignment
A method used in experiments to place participants into different groups using randomization to reduce bias and ensure statistical significance.
Confounding Assignment
A situation in research where a variable other than the independent variable is potentially influencing the outcome of the study, making it difficult to isolate the effect of the independent variable.
Selective Assignment
Refers to a process or strategy where tasks, roles, or responsibilities are assigned to individuals based on specific criteria or attributes.
Many Labs Approach
When different groups of researchers do the exact same study at the same time.
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