The different categories of research are:

Question

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Exploratory research is used to gather initial information or gain insight into a problem or situation. Descriptive research is used to describe characteristics of a population or phenomenon being studied. Causal research is used to establish a cause-and-effect relationship between variables. These three categories of research are most commonly used in research studies. Construct research is not a category of research, but rather refers to the process of developing and testing theoretical concepts or constructs.

The Different Categories of Research Are