Examlex
The end-diastolic volume is the maximum amount of blood in the ventricle after ventricular filling is complete.
Sample
A subset of individuals from a larger population, selected to represent that population in a study or experiment.
Random Assignment
A method used in experiments where participants are allocated to different groups in a way that every participant has an equal chance of being assigned to any group.
Random Sample
A method of selecting a sample from a population in which each member has an equal chance of being chosen.
External Validity
The extent to which the results of a study can be generalized to other situations and to other people.
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