What must be true for a research question to be considered effective? The question must have a single focus for research from valid sources.

The question must be simple so that any audience will be able to understand it.

The question must have several components to cover as many subtopics as possible.

The question should include the writer's personal views.

That which must be true for a research question to be considered effective is: The question must have a single focus for research from valid sources.

For a research question to be considered effective, it must have a single focus.

That means that it must be specific in the question that it answers. This will make it easier for the readers to follow through on the findings.

Also, the primary and secondary sources from where the findings are made should be valid so that the content will be reliable.

So, option A meets the requirement of an effective research question.

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they behave kindly mark brainliest pls : )