The hypothesis statement governs your scientific experiments and helps you find a topic for your science fair project. The statement is also responsible for almost 30% grades in your science paper. So, it isn’t an option but a necessity to learn how to write a strong hypothesis. But before that, let’s clear the air about this statement.
Every major scientific explorations and achievement happened because someone had the question, 'If I do this, what will happen?’. Brilliant minds come up with a question, and to answer that question, they conduct a great deal of research and experiments. The question that leads to experiments and is responsible for the major scientific breakthroughs is the hypothesis.
A hypothesis introduces a unique research question and proposes an expected result related to the former question. It forms the basis of several scientific experiments and discoveries. As said earlier, this statement of a few words governs the entire experiment. So, if you write it wrong, all your hard work behind the experiment will go down the drain.
A hypothesis is more than just an educated guess. It should also be based on current scientific theories and knowledge. It highlights a relationship between one or more variables. There are two types of variables in the hypothesis such as:
Your rate of apple consumption determines how frequently you need to visit the doctor.
In this example, apple consideration is the independent variable and frequency of visits to the doctor is the dependent variable.
There are several factors you need to keep in mind before developing the hypothesis, such as:
It will be easier for you to write the statement if you get the answers to all these questions first. Then follow these steps to write a convincing hypothesis.
The question should be clear and straightforward. Think of a question relevant to your topic that you want to answer via a series of experiments. Most importantly, it shouldn’t be unreal. The question has to be researchable so that you can conduct the required experiments and find a suitable answer.
For instance, let’s say your topic is related to students' stress. So, you can think of something like this:
Does frequent and short study breaks help in relieving students’ stress?
Now that you know you have figured out a question, it's time for you to see what kind of evidence is present out there to assert your claims. After all, you just can't write this statement on the basis of your guess or assumption. Conduct thorough preliminary research to find out what evidence you can use to answer or disprove your hypothesis.
The rough draft provides you with a conceptual framework. This framework will help you identify the variables that you want to study and whether the variables have a relationship. Write down in simple words what you expect to find from the experiment.
Considering the example stated above, the outline should look something like this:
Frequent and short study breaks help in relieving students’ stress.
Remember, the hypothesis should be clear and understandable. All the terms in this statement should be meaningful and have clear definitions. Also, make sure the statement consists of the following variables:
You can write the hypothesis in any of these three ways:
Example: People who ate apples every day visited the doctor less frequently than those who didn’t eat enough apples.
Example: Apple consumption has a positive impact on people’s health.
Example: If people started eating more apples, then their health is going to improve.
You may look for ‘how to write null hypothesis along with examples’ in statistics paper. It is a default position that states there isn’t any relationship between the variables.
The hypothesis looks like a simple sentence, but it plays a great role in helping you conduct your scientific experiments. You may be allowed to conduct the experiment if your professor approves the statement. So, do not take this simple yet significant statement for granted.
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