Paper 1 · Research Aptitude
The process not needed in experimental research is
AObservation
BManipulation and replication
CControlling
DReference collection alone as the source of data ✓ Correct
Correct answer: (D) Reference collection alone as the source of data — Reference collection alone, as the source of data, is not needed in experimental research, so that is the answer.
Explanation
★Reference collection alone, as the source of data, is not needed in experimental research, so that is the answer.
★Experimental research produces its own fresh data through the experiment itself.
★So it does not depend on merely collecting references and records as its data source.
★Observation is needed, since the researcher must observe and record the outcomes.
★Manipulation, replication and controlling are all central to the experiment.
★So only reference collection as the data source is not needed in experimental research.
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