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You'll also find that in order to write a solid hypothesis, you need to understand what your variables are for your project. As you work on deciding what question you will explore, you should be looking for something for which the answer is not already obvious or already known (to you).When you write your hypothesis, it should be based on your "educated guess" not on known data.
However, a research study can have more than one research question.
The research methodologies, tools used to collect data, etc. Research questions are often used in qualitative research, which seek to answer open-ended questions. Research questions can be used instead of hypotheses when there is little previous research on the subject.
The main disadvantage of hypotheses is that their tendency to blind a researcher to unexpected results.
A research question is the question a research study sets to answer.
In other words, based on what you already know and what you have already learned from your research.
If you keep in mind the format of a well-constructed hypothesis, you should find that writing your hypothesis is not difficult to do. The above hypothesis is too simplistic for most middle- to upper-grade science projects, however.This statement is speculation, not a hypothesis." Sandra says: "This statement is not 'bite size.' Whether or not something is a 'good natural pesticide' is too vague for a science fair project.There is no clear indication of what will be measured to evaluate the prediction." Throughout history, scientists have posed hypotheses and then set out to prove or disprove them.They are useful in testing a specific theory or model.A complete hypothesis always includes the variables, population and the predicted relationship between the variables.The main difference between hypothesis and research question is that hypothesis is predictive in nature whereas research question is inquisitive in nature. The hypothesis is based on this existing knowledge.After the hypothesis is developed, the researcher can develop data, analyze and use them to support or negate the hypothesis. They are usually used in experimental quantitative research studies.Research questions allow the researcher to conduct more open-ended queries, and a wide range of results can be reported.A properly constructed research question should always be clear and concise.Staff Scientist Dave reminds that scientific experiments become a dialogue between and among scientists and that hypotheses are rarely (if ever) "eternal." In other words, whether that research appears a month or a hundred years later.A look at the work of Sir Isaac Newton and Albert Einstein, more than 100 years apart, shows good hypothesis-writing in action.