I would say that a good research question should have 2 key features; the first being objectivity(mitigate the bias of research designers), and the second being practicality (easy to answer).
When I point to objectivity, I mean the question can be both designed without the impact of personal bias the questions should not contain any implication that might mislead participants’ answers. The answer might
- The question is designed without influence of researchers’ bias
- The question does not contain any implication that might mislead participants’ answers
- Answers to such questions reflect the real society or human behavior, thus increasing the reliability of the result.
Easy to answer
- The question follows the principle of quantitative research, that is, answer is summarized into numbers; participants just answer by choosing numbers.
- Research based on such questions are more likely to be answered, hence making the sample sizes big enough to lead to a more justified result.