Examlex
A 60% duty cycle means that the machine can be used a total of ____ minutes out of every ten minutes at the maximum rated current.
Independent Variable
A variable that is manipulated or changed in an experiment to observe its effects on a dependent variable.
Dependent Variable
In experimental research, the variable that is observed and measured to determine the effect of the independent variable, reflecting outcomes or changes.
External Validity
The extent to which the results of a study can be generalized to other situations and to other people.
Internal Validity
The extent to which a study can demonstrate that a causal relationship exists between variables, free from external influences.
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