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Now, if we decide to study this by giving the same group of students a lesson on a Monday morning and on a Friday afternoon and then measuring their immediate recall on the material covered in each session we would end up with the following: The null hypothesis is, therefore, the opposite of the alternative hypothesis in that it states that there will be no change in behavior.
E.g., there will be a difference in how many numbers are correctly recalled by children and adults.
Upon analysis of the results, an alternative hypothesis can be rejected or supported, but it can never be proven to be correct.
If we reject the null hypothesis, this doesn’t really mean that our alternative hypothesis is correct – but it does provide support for the alternative / experimental hypothesis.
Taking up a research project is one of the best exercises in analytical thinking.
In research, there is a convention that the hypothesis is written in two forms, the null hypothesis, and the alternative hypothesis (called the experimental hypothesis when the method of investigation is an experiment).
The alternative hypothesis states that there is a relationship between the two variables being studied (one variable has an effect on the other).In this example, the independent variable is sugar, since it is what you will control based on observing the results from different variations of sugar intake through different amounts of soda.The dependent variable is obesity, since this is the fixed variable you will be measuring and observing.A hypothesis statement is an educated guess which provides the reader with the argument the writer is trying to prove, usually through a scientific procedure.This procedure must be one that can be tested, wherein you will test if and/or how two variables are related.That is, your hypothesis cannot just be a guess, it has to have a clause in it, which offers a hint of how that guess of yours could be actually tested. What you need is an example of a hypothesis, which will demonstrate and inculcate all the features discussed before.Here are three statements for your perusal.➢ If life was indeed seeded on Earth from outer space, we should find traces of living organisms at high altitudes over the Earth's surface.➢ If there is intelligent life on any of the planets, revolving around the many stars of the Milky Way galaxy and it has developed just like life on Earth, we should be able to receive an intelligible radio signal in the near future.A good hypothesis will provide a possible explanation for some phenomenon, with the rest of the paper proving or disproving this observation.Before preparing the hypothesis, the writer must thoroughly research the topic in order to form a prediction, which will come from a previous scientific observation, hence why a hypothesis is an educated guess.It must also contain both an independent and a dependent variable.An example would be "If obesity is caused by a high-sugar diet, then people who drink 2 liters of soda every day will have a higher rate of obesity." Notice that the statement itself provides the outline for what exactly will be tested, as well as what the experimenter is hoping to prove.