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A mass is suspended vertically from a spring so it is at rest at the equilibrium position. The mass is pulled a short distance straight down and released so that it oscillates about the equilibrium position. The acceleration of the mass is zero when the mass is
Quasi-experimental Design
A research design that resembles an experimental design but lacks the element of random assignment to control and experimental groups.
Experimental Design
is the framework or plan for a study used by researchers to test hypotheses by manipulating and then measuring variables.
Random Assignment
A method used in experiments to place participants into different groups using randomization, ensuring that each participant has an equal chance of being assigned to any group, thus minimizing biases.
Alcohol Effects
The physiological and psychological impacts that consume alcoholic beverages can have on the human body, including changes in behavior, cognition, and physical function.
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