Question: In general, why do researchers do null hypothesis testing? In general, why do researchers do null hypothesis testing? to decide whether the independent variable is

In general, why do researchers do null hypothesis testing? In general, why do researchers do null hypothesis testing? to decide whether the independent variable is causally related to the dependent variable to decide if an effect is a good effect or a bad effect to decide how strong a sample relationship is to decide whether a sample relationship represents a real relationship in the population

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