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- How to Write a Strong Hypothesis | Steps & Examples

## How to Write a Strong Hypothesis | Steps & Examples

Published on May 6, 2022 by Shona McCombes . Revised on December 2, 2022.

## Example: Hypothesis

Daily apple consumption leads to fewer doctor’s visits.

## Table of contents

## Variables in hypotheses

Hypotheses propose a relationship between two or more types of variables .

- An independent variable is something the researcher changes or controls.
- A dependent variable is something the researcher observes and measures.

## Step 1. Ask a question

## Step 2. Do some preliminary research

## Step 3. Formulate your hypothesis

## 4. Refine your hypothesis

- The relevant variables
- The specific group being studied
- The predicted outcome of the experiment or analysis

## 5. Phrase your hypothesis in three ways

## 6. Write a null hypothesis

- H 0 : The number of lectures attended by first-year students has no effect on their final exam scores.
- H 1 : The number of lectures attended by first-year students has a positive effect on their final exam scores.

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## Cite this Scribbr article

McCombes, S. (2022, December 02). How to Write a Strong Hypothesis | Steps & Examples. Scribbr. Retrieved March 12, 2023, from https://www.scribbr.com/methodology/hypothesis/

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## Shona McCombes

## Q. What is the difference between a thesis statement and a hypothesis statement?

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## Answered By: APUS Librarians Last Updated: Apr 15, 2022 Views: 121529

Both the hypothesis statement and the thesis statement answer a research question.

- A hypothesis is a statement that can be proved or disproved. It is typically used in quantitative research and predicts the relationship between variables.
- A thesis statement is a short, direct sentence that summarizes the main point or claim of an essay or research paper. It is seen in quantitative, qualitative, and mixed methods research. A thesis statement is developed, supported, and explained in the body of the essay or research report by means of examples and evidence.

How do I write a good thesis statement?

How do I write a good hypothesis statement?

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## How to Develop a Good Research Hypothesis

## What is Hypothesis?

## What is a Research Hypothesis?

## Essential Characteristics of a Good Research Hypothesis

- Is the language clear and focused?
- What is the relationship between your hypothesis and your research topic?
- Is your hypothesis testable? If yes, then how?
- What are the possible explanations that you might want to explore?
- Does your hypothesis include both an independent and dependent variable?
- Can you manipulate your variables without hampering the ethical standards?
- Does your research predict the relationship and outcome?
- Is your research simple and concise (avoids wordiness)?
- Is it clear with no ambiguity or assumptions about the readers’ knowledge
- Is your research observable and testable results?
- Is it relevant and specific to the research question or problem?

## Source: Educational Hub

How to formulate an effective research hypothesis.

## 1. State the problem that you are trying to solve.

Make sure that the hypothesis clearly defines the topic and the focus of the experiment.

## 2. Try to write the hypothesis as an if-then statement.

Follow this template: If a specific action is taken, then a certain outcome is expected.

## 3. Define the variables

## 4. Scrutinize the hypothesis

The types of research hypothesis are stated below:

It predicts the relationship between a single dependent variable and a single independent variable.

It predicts the relationship between two or more independent and dependent variables.

## 3. Directional Hypothesis

5. Associative and Causal Hypothesis

## 6. Null Hypothesis

## Research Hypothesis Examples of Independent and Dependent Variables:

Research Hypothesis Example 1 The greater number of coal plants in a region (independent variable) increases water pollution (dependent variable). If you change the independent variable (building more coal factories), it will change the dependent variable (amount of water pollution).

Research Hypothesis Example 2 What is the effect of diet or regular soda (independent variable) on blood sugar levels (dependent variable)? If you change the independent variable (the type of soda you consume), it will change the dependent variable (blood sugar levels)

## Importance of a Testable Hypothesis

- There must be a possibility to prove that the hypothesis is true.
- There must be a possibility to prove that the hypothesis is false.
- The results of the hypothesis must be reproducible.

Thanks a lot for your valuable guidance.

It is really a useful for me Kindly give some examples of hypothesis

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## What is and How to Write a Good Hypothesis in Research?

## What is a Hypothesis in Research?

## Research Question vs Hypothesis

## How to Write Hypothesis in Research

Use the following points as a checklist to evaluate the effectiveness of your research hypothesis:

- Predicts the relationship and outcome
- Simple and concise – avoid wordiness
- Clear with no ambiguity or assumptions about the readers’ knowledge
- Observable and testable results
- Relevant and specific to the research question or problem

## Research Hypothesis Example

Here are a few generic examples to get you started.

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## How to Write a Hypothesis - A Step-by-Step Guide

## What is a Hypothesis?

## Functions of Hypothesis

- First and foremost, a hypothesis contributes to making your research, observation, and experiment possible
- This helps in starting the basic investigation about the subject
- It verifies the observation
- It provides the right direction to your inquiries

## Components of a Hypothesis

The following are the different components of the hypothesis:

## How to Write a Hypothesis?

Following is a step-by-step- procedure to write a hypothesis.

Make sure that your refined statement must contain the following things:

- To phrase the hypothesis, identify the variables, use a simple prediction pattern of “if...then” form. Present the independent variable first and then the dependent variable in your hypothesis statement.
- When developing a hypothesis for academic research, you can choose correlation and effect phrasing. In this way, you directly present the predicted relationship between the two variables.
- If the statement compares the two groups, the paraphrasing of the hypothesis can be done by stating the expected difference.

## How to Write a Null Hypothesis?

So, how does a null hypothesis work? Below is a four-step process to come up with a null hypothesis.

- The analyst will come up with two hypotheses and test them.
- Next, he formulates an analysis plan and decides the ways through which those hypotheses would be analyzed.
- The sample data and hypotheses are evaluated and analyzed.
- The final step is to analyze the acquired results and decide whether the null hypothesis is correct or not.

## What kind of Sources should I Add to my Hypothesis

In case you are wondering what sources will work best for your hypothesis, check out the following:

- Find relevant phenomena that have some resemblance to yours
- Evaluate the studies and observations from the past
- Analyze what the current time has to say about the idea
- Search the competitor’s ideas and opinions
- Analyze scientific theories
- Dig deeper into the patterns that influence people and their thinking

## Types of Hypothesis

Following are the six main types of hypothesis:

- Simple Hypothesis - A simple hypothesis is a statement that shows a relationship between two variables; an independent and dependent variable. For example, doing exercise can help you lose weight faster. Here doing exercise is an independent variable while losing weight is dependent.
- Complex Hypothesis - A complex hypothesis presents a relationship between two or more dependent and independent variables. For example, exercising and eating lots of vegetables can reduce weight and other fatal diseases such as heart disease.
- Directional Hypothesis - A directional hypothesis is a statement that presents the researcher’s commitment to a particular result. Moreover, the relationship between different variables also predicts its nature. For example, people who are sleep-deprived for 24 hours will have more cold symptoms than those who oversleep.
- Non-Directional Hypothesis - A non-directional hypothesis is used when there is no theory involved. It shows an existing relationship between two variables without highlighting the exact relationship’s nature.
- Null Hypothesis - A null hypothesis states that there is no relationship between the two variables. Similarly, it also contended that there is not enough information to state the scientific hypothesis. The ‘H0’ symbol denotes this hypothesis.
- Alternative Hypothesis - It is a statement that the research forms when he disapproves the null hypothesis. As the name suggests, it is an alternative statement to your null hypothesis highlighting the relationship between the variables. It is denoted by ‘H1’.
- Associative and Causal Hypothesis - In an associative hypothesis, a change in one variable results in a difference in the other variable. On the other hand, the causal hypothesis presents a cause and effect interaction between the two variables.

## Characteristics of a Good Hypothesis

- To make the hypothesis credible, it should be clear and precise
- If you have chosen a hypothesis type that will state the relationship between the two variables, it should be obvious
- A strong hypothesis is specific and has clear scope for conducting more studies and tests
- The explanation of the hypothesis must be simple. Keep in mind that the simplicity of the hypothesis has nothing to do with its significance

## Hypothesis Examples

Below-given are examples of how hypotheses are developed for different research experiments.

HOW TO WRITE A HYPOTHESIS FOR RESEARCH PAPER

HOW TO WRITE A HYPOTHESIS FOR SCIENTIFIC RESEARCH

## Frequently Asked Questions

How do you turn a question into a hypothesis.

You can change and transform a question into a hypothesis by changing it into a statement.

## Is a hypothesis a prediction?

## Can a hypothesis be a question?

No, a hypothesis is and should be a statement and not a question.

## Do all research papers have a hypothesis?

Masters Essay, College Admission Essay

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## What Does a Dissertation Hypothesis Mean?

## What Are Variables In Hypothesis For?

## Dissertation Hypothesis - What is It?

To understand if your hypothesis is correct, check it for the following attributes:

- there are no controversial concepts in the formulation that in themselves can become the topic of some other research;
- the ability to test statements using empirical or theoretical methods;
- relevance and connection with the stated problem;
- cognitive value and effectiveness;
- practical benefits for the follow-up research program.

## There Are Three Types Of Hypothesis

## Hypothesis Development Process

The main stages of hypothesis development are:

- Ask a question;
- Do some preliminary research;
- Formulate your hypothesis;
- Refine your hypothesis;
- Phrase your hypothesis in three ways;
- Write a null hypothesis.

Let's consider the content and features of each stage in more detail.

- Finalize your research questions;
- Understand why the research problem is essential;
- Find out what others have already done on this topic.

- the hypothesis must be formulated clearly and accurately; otherwise, it can lead to confusion in the proof, since until the concepts that make up the content of the assumption are clarified, it is meaningless to even begin with confirmation;
- the hypothesis must remain unchanged throughout the entire proof or refutation, otherwise in the process of confirming the assumption, the so-called substitution of the thesis will occur;
- the hypothesis must be based on facts or judgments; otherwise, if at least one of the grounds is false, then its combination with other grounds will give an incorrect, complex judgment, from which both true and wrong conclusions can follow;
- the grounds (arguments) must be facts or judgments, the truth of which is established regardless of the conclusion; otherwise, a vicious circle will arise in the proof.

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## What Is A Research (Or Scientific) Hypothesis? A plain-language explanation + examples

By: Derek Jansen (MBA) | Reviewed By: Dr Eunice Rautenbach | June 2020

## Research Hypothesis 101

- Introduction to hypotheses
- Research (scientific) hypotheses
- Requirements for a research hypothesis
- Definition of a research hypothesis
- The null hypothesis

## What is a hypothesis?

Hypothesis: sleep impacts academic performance.

## What is a research hypothesis?

Let’s take a look at these more closely.

## Need a helping hand?

## Hypothesis Essential #1: Specificity & Clarity

## Hypothesis Essential #2: Testability (Provability)

For example, consider the hypothesis we mentioned earlier:

So, remember the mantra – if you can’t test it, it’s not a hypothesis 🙂

## Defining A Research Hypothesis

You’re still with us? Great! Let’s recap and pin down a clear definition of a hypothesis.

## What about the null hypothesis?

And there you have it – hypotheses in a nutshell.

## Psst… there’s more (for free)

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Very useful information. I benefit more from getting more information in this regard.

Please what is the difference between alternate hypothesis and research hypothesis?

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The research question, when stated as one sentence, is your Research Hypothesis. In some disciplines, the hypothesis is called a “thesis statement.”Other words

A hypothesis states your predictions about what your research will find. It is a tentative answer to your research question that has not yet

A hypothesis is a statement that can be proved or disproved. · A thesis statement is a short, direct sentence that summarizes the main point or

Hypothesis is an assumption or an idea proposed for the sake of argument so that it can be tested. It is a precise, testable statement of what the researchers

The thesis hypothesis is the statement that you believe to be true and seek to support through the research you have conducted or are going to conduct before

Simply put, a hypothesis is a research question that also includes the predicted or expected result of the research. Without a hypothesis, there can be no basis

A hypothesis is generally a statement that a researcher has to test through scientific methods subjectively. Unlike a thesis statement

The hypothesis in a dissertation is part of the introduction to student work. It is located after the goal with objectives and before research methods.

In a journal article, the introduction is usually integrated with the literature review. In theses, dissertations and special research projects, it is common to

A research hypothesis (also called a scientific hypothesis) is a statement about the expected outcome of a study (for example, a dissertation or thesis).