The two characteristics that create an effective research question are clear and concise. Thus options 2 and 3 are correct.
What is the research question?
A research question highlights the issue in any research to which the solution is provided. Research is a response to the question asked. It helps to define the process for research to perform a systematic investigation.
Characteristics of the research question focus on being clear and concise in nature. A research question should be clear so that readers can understand the issue for which the research is conducted.
The research question should be concise in nature by giving enough information for the reader in limited words. The research question should not be broad as it confuses the audience about the purpose of the research.
Therefore, options 2 and 3 clear and concise is the appropriate answer.
Learn more about the research question, here:
https://brainly.com/question/25655057
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