In an experimental research study, if the researcher finds a statistically significant difference between two or more of the groups representing different treatment conditions, she or he can have some confidence in attributing causality to the IV.

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Statistical significance in experimental research suggests that the observed differences between groups are unlikely to be due to chance alone, allowing researchers to infer that the independent variable (IV) had a causal effect on the dependent variable.

In an Experimental Research Study, If the Researcher Finds a Statistically