Examlex
Based on the above figure,which of the following is true?
Observer
An individual who watches or records events or phenomena, often as part of a scientific study or research project.
Pretest and Posttest
Assessment tools used before and after an intervention to measure the effectiveness of that intervention.
Experiments
Methodological approaches and techniques in research designed to test hypotheses under controlled conditions to establish cause-and-effect relationships.
Variable
is a characteristic, number, or quantity that can be measured or quantified and can vary among individuals or over time.
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