Examlex
Pacemaker activity by the Purkinje fibres is an example of an ectopic focus.
Experimental Research
A research methodology that assesses cause-and-effect relationships by manipulating one or more variables while holding others constant to study their effects on certain outcomes.
Reliability
The degree to which an assessment tool produces stable and consistent results over multiple trials.
Validity
The extent to which a concept, conclusion, or measurement is well-founded and likely corresponds accurately to the real world.
Sociological Research
A field of study that involves investigating societies, human behaviors, and social patterns through various methodologies and theories.
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