Examlex
A fixed parameter is one that has been correctly estimated.
Systematic observation
An observational research method where data is collected in a structured, organized, and methodical manner.
Reactivity
The influence that the process of measuring has on the subjects being measured, potentially affecting the results of a study.
Observers
Individuals who watch, monitor, or record the behavior or data in a study, without intervening or interacting with the subjects.
Coding system
A method or protocol used in research for categorizing, labeling, or encoding information to facilitate analysis.
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