Examlex
The arrangement of organisms into groups is best described as ______.
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.
Intervention
The act of becoming involved in an issue, problem, or conflict to alter the outcome or influence the situation.
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