Paper 1 · Communication
UGC NET June 2024 Re-Exam (26.08.2024) Shift-II
Which of the following research designs allows for the systematic exclusion of extraneous variables that are different from your interest?
ALongitudinal research
BComparative research
CCorrelational research
DExperimental research ✓ Correct
Correct answer: (D) Experimental research — Experimental research allows systematic exclusion of extraneous variables, so that is the answer.
Explanation
★Experimental research allows systematic exclusion of extraneous variables, so that is the answer.
★Experimental research manipulates the variable of interest while controlling others.
★By holding outside conditions constant it excludes extraneous variables.
★This lets cause and effect be studied cleanly.
★So experimental research allows the systematic exclusion described.
★Longitudinal, comparative and correlational designs do not control variables in this way.
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