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Experimental Research Design - Meaning, Characteristics and Classification
I) Experimental research designs aim to establish causal relationships by manipulating an independent variable and observing its effect on a dependent variable. They allow for a high level of control over extraneous variables. II) The key components of an experiment are the independent variable, which is manipulated, and the dependent variable, which is measured. Control and random assignment help ensure the equivalence of groups. III) True experiments use random assignment to groups, while quasi-experiments lack randomization. More rigorous designs like pre-test post-test control group allow for stronger conclusions about causality.
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