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How to write a strong hypothesis statement

How to write a strong hypothesis statement

The scientific method must have a hypothesis statement that explains the reasoning of your research and predictions of how your scientific experiments will end. Because it is an educated guess, even the simplest ones are challenging to develop into words every student wants to know how to write a great hypothesis state for their academic paper. The hypothesis acts as a formula for beginning scientific papers or projects at a personal level, you should all be familiar with this basic statement or formula, used as the starting point in almost all scientific papers or projects. A hypothesis is an assertion about what might “happen” during an experiment based on what you know, facts, and data available to you. The essence of a hypothesis statement adheres to If I (do something), then (this) will happen.

How Can You Write a Hypothesis? If you understand its structure, creating a hypothesis shouldn’t be difficult. If this is your first time writing one though, it may prove frustrating – don’t worry though as Fast Nursing Help – custom writing services have all the answers! This article covers hypotheses types as well as practical advice on writing them. The article also covers the different types of hypotheses you might use in your study.

Definition of Hypothesis

A hypothesis can be defined as any statement one makes on the basis of existing knowledge, translating an initial research question into a logical conclusion based on available facts and evidence. To effectively solve problems, one must identify their issue (research problem), do initial research to understand its causes, conduct experiments on relevant subjects to investigate these causes further, observe results as they come through and then make an educated guess as to the possible results they may see; at this stage of their investigation, scientists usually make educated guesses which they hope prove or disprove throughout their investigations.

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Hypothesis development is another means to increase knowledge. Hypotheses are well-founded assumptions put forward as ways of clarifying properties and causes associated with phenomena being studied.

Hypotheses are usually formed on the basis of observations and examples which support it, making them appear plausible due to supporting information. Once made public as facts or refuted with examples that disprove them, their validity can then be demonstrated either through direct proof or disproving through refuting statements that lead back to false assumptions within their hypothesis.

As a student, you may be required to write a hypothesis for an academic paper. Hypothesis writing is common practice in scientific academic papers such as research papers, dissertations and theses.

Hypothesis (or thesis, depending on your discipline) serves the same purpose and essence. It seeks to create a statement which expresses an expectation or assumption regarding an outcome of investigation which can then either be proven or disproved through further study. Now that you understand what a hypothesis is, the next phase of how to write a good hypothesis entails familiarizing oneself with the characteristics, structure and sources of the hypothesis.

Characteristics, Sources and the Structure of Hypotheses

Let’s consider the elements that constitute a hypothesis:

  • To appear trustworthy, a hypothesis must be accurate and detailed.
  • Specificity is necessary, with further research or experiments possible if necessary.
  • Furthermore, its key is that its significance remains clear while still being conveyed plainly to readers.
  • When creating relational hypotheses, two elements must be included: variables and their relationships.
  • Hypotheses typically originate from:

Key Sources of a Hypothesis

  • Theories of science.
  • observations made through past studies and experiences.
  • correlations among various phenomena.
  • patterns of thinking people tend to follow.

Identifying the elements and sources of hypotheses do not comprise everything you need to learn about how to write a hypothesis for your research study because knowledge on the different types of hypotheses also plays a key role. In the subsection that follows, we explain the types of hypotheses and the steps on how to write your own using several examples.

Types Of Hypotheses

There are two basic kinds of scientific hypotheses – null and alternative.

  1. How To Write an Alternative Hypothesis

An Alternative Hypothesis, more commonly referred to by its acronym H1, serves to predict what you expect out of your research. It can further be divided into two subcategories.

  • Directional Hypothesis statements that outline expected results and their expected direction of movement. Hypotheses such as these can be used to compare groups rather than study their relationships between variables.
  • Non-directional hypothesis – unlike its directional alternative, the non-directional hypothesis does not specify in which direction the expected results should go.

Let’s look at an example for each alternative hypothesis:


Attending more lectures will lead to higher test scores among students.


Lecture attendance has an impactful influence on test scores among students.

At first, our hypotheses assumed that more students attending lectures would increase their test scores. For our non-directional hypotheses, however, we only stated there was a correlation between variables (i.e. lecture attendance and test scores of students were compared, yet no indication was provided as to whether the performance would improve or decline).

  1. How to write a Null hypothesis (H0)

Null Hypothesis is the standard term for this form of a hypothesis, which states the opposite of what you expect will happen during a study – thus providing a counterargument to any alternative hypotheses you might consider proposing. A null hypothesis also implies that variables within its domain do not interact, as such.

Here is an example of a null hypothesis

 Attendance at lectures has no impact on students ’test scores.

These hypotheses provide both clarifications and restatements to the research question, unlike a research question which remains untestable.

From our examples of alternative and null hypotheses seen earlier, one can conclude that these statements provide a rough description of a subject matter. They provide investigators with specific hypotheses which can be directly tested in studies; hypotheses serve as frameworks which outline scope and direction. While there are various kinds of hypotheses, two of the more prevalent ones include null and alternate.

Research Hypothesis – A statement designed to test for correlations among multiple variables or phenomena.


 Diet-rich foods affect human health.

Simple Hypothesis — An assertion which explores the correlation between an independent variable and its dependent counterpart.

As an example

 Eating vegetables helps build immunity.

Complex Hypothesis — A statement which indicates the correlation between two independent variables and two dependent variables.

For Example

Consuming fruits and vegetables can contribute to weight loss as well as improved immunity.

Causal and Associative Hypothesis – An associative hypothesis is a statement which establishes a correlation between variables when changing one variable will inevitably impact another variable, while causal hypotheses emphasize relationships among them.

This article will help you gain greater clarity.

How to write a strong Hypothesis: Add Secret Ingredients

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Prediction vs Hypothesis

“Prediction” and “Hypothesis” are often used interchangeably and may lead to confusion; both terms should not be taken as synonymous – one is used more often within science, while the other is more so outside. The primary distinction between hypotheses and predictions lies in which area each is typically employed: predictions in science compared with hypotheses used outside.

Hypothesis is logical assumptions. Hypotheses provide an educated guess regarding the nature of unknown phenomena (or lesser-known phenomena) based on knowledge, studies, or experiments conducted over time and supported by facts. Their main purpose is to use facts available to establish relationships among variables to provide more accurate scientific explanations; but hypotheses can also serve as statements which will be tested further through further experiments; making assumptions regarding outcomes and flows of your research project is also an assumption made about its progress and outcome.

Prediction, in contrast, is usually just an educated guess without any foundation. While theoretically, scientific predictions might be possible, in reality, they’re mostly just fictions that cannot be verified through evidence or data. A pure guess has no basis whatsoever and tends to focus more on future events rather than current knowledge or facts. When making predictions a person often lacks extensive knowledge in regards to the subject at hand – making predictions is often an exercise in futility for anyone involved.

Methods used to demonstrate them also differ significantly: predictions can only ever be proven once through events that prove whether a prediction was correct or inaccurate; while hypotheses allow for additional testing and experimentation; their proof can even occur multiple times with various scientists using various tools and methods to confirm or refute them.

Let’s examine some examples to illustrate the difference between hypotheses and forecasts:


I can reduce weight faster by eating vegetables and fruit regularly.

Hypotheses are general statements based on knowledge (i.e. fruits and vegetables have fewer calories than other food, and those who opt for fruits and vegetables more easily lose weight than other diets). Although still just an assumption based on fact, an experiment can verify this assumption and confirm whether it holds.


The world will end by 2023.

Forecasts provide predictions of future events; however, such an assumption lacks supporting facts.

Based on everything we have discussed and our examples, here are a few key points:

  • Hypotheses are more logical than predictions because they rely on factual information to support them.
  • Hypotheses help define variables and understand their relationships while predictions tend to be completely subjective and without any basis for action or belief.
  • Predictions are frequently made with the intent of forecasting future events.
  • Predictions can only be confirmed once they take place.
  • Even when scientists disprove or confirm a hypothesis, its outcome remains purely speculative – other scientists could achieve different results using different tools and methodologies in future.

Steps on How to Write a Hypothesis

Once you understand what a hypothesis is and its various types, you may be looking to formulate one successfully. This section will guide you through each step in creating one as well as give some helpful tips and examples that can aid your process.

  1.  Determine Your Research Question(s)

Remember: No matter whether it is for a paper or project, research questions must start right for success. An ideal research question would be specific, clear, focused, and manageable.


 How can eating fruits and vegetables impact human health?

2. Conduct Initial Research

A hypothesis is an educated guess based on your knowledge about what is likely to occur during an investigation. Before making such a statement, sufficient information must be gathered beforehand to develop this notion.

At this stage of your research process, it should be possible to answer the research question you posed earlier based on the information gathered. Explore facts, studies, theories and more – making an intelligent and logical guess based on all this material is key here.

3. Formulate a Hypothesis

Your initial research should enable you to predict what findings will emerge during your investigation and create a concise and specific hypothesis for further exploration.

Asserting hypotheses depends on your project and hypothesis of interest; there are various ways that you can restate them depending on which ones you plan on using.


Eating fruits and vegetables will impact human physical health


Consuming fruits and vegetables has a positive impact on one’s physical health


Eating fruits and vegetables has no impact on human physical well-being whatsoever.

  1. You can refine your hypotheses

Finalizing your hypothesis requires refining what you have. Here, you will determine whether or not your hypothesis holds some water if:.

There are distinct and relevant variables.

The variables relationships have been established.

The hypothesis is specific and testable?

It presupposes an anticipated outcomes of investigations or experiments. Masterly how to write a hypothesis for your research paper sums the format of if(cause), then(effect) and because(rationale). Put differently you have learnt how to write a strong hypothesis statement if it defines the problem, proposes a solution, and presents the results.

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 Examples of How to Write a Hypothesis and a Null Hypothesis

You can easily formulate effective hypotheses by following our essay writer-for-hire guide with tips and hints for creating them. We have assembled numerous research questions with both a null hypothesis and a hypothesis stated alongside them.

Research Question Hypothesis Null Hypothesis
What is the impact of stress on academic performance for undergraduate students?


Stress levels among undergraduate students are on the rise, leading to reduced academic performance.



Stress levels among undergraduate students do not correlate to decreased academic performance.


How can a better work-life balance increase employee productivity?


How can a better work-life balance increase employee productivity?



There is no connection between work-life equilibrium and productivity at one’s place of work
What are the consequences of frequent social media usage among those aged under 16?


Social media usage negatively impacts on attention span among users younger than 16


The attention span of children under 16 is unaffected by their time spent on social media platforms such as Facebook or Instagram.


What impact have video games had on the human brain? Video games may cause irreparable damage to an individual’s memory, vision and brain function.


Video games do not have any negative repercussions for the brain.


Why is It Essential to include Mental Health Education in School Programs


Mental health awareness will increase within schools, leading to an improved understanding among both students and teachers of mental issues and strategies to overcome them.


Students won’t be affected by the introduction of mental-health education into school curriculums.



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What are your hypotheses regarding me?