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Decide on a direction for your prediction.

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A testable prediction can be verified through experiment. You should also be able to repeat your experiment over and over again, if necessary. Overweight adults who 1 value longevity and 2 seek happiness are more likely than other adults to 1 lose their excess weight and 2 feel a more regular sense of joy.

What Is a Testable Hypothesis?

For example, if the frequency of winning is related to frequency of buying lottery tickets. In an experiment, the researcher systematically manipulates a variable of interest known as the independent variable and measures the effect on another variable known as the dependent variable. So a researcher might for a specific hypothesis that: "People with high-stress levels will be more likely sgs thesis requirements contract a common cold after being exposed to the virus than are people who have low-stress levels.

How to Form a Hypothesis The first step of a psychological investigation is to identify an area of interest and develop a hypothesis that can then be tested.


This statement is speculation, not a hypothesis. If your face breaks literature essay help, you can't prove the breakout was caused by the french fries you had for dinner last night.

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  • What Is a Testable Prediction? | Sciencing
  • Examples of Hypothesis

At this point scientists will refer to it as a theory for example, the theory of relativity. A null hypothesis H0 exists when a researcher believes there is no relationship between the two variables, or there is a lack of information to state a scientific hypothesis.

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Nonetheless, if a theory and its predictions have been repeatedly verified by experiment, it will be generally accepted, unless there is sufficient evidence to show it should be discarded in favor of a new theory. You would soon find that some substances actually become less soluble with increasing temperature. A hypothesis is a statement, not a question. In an effort to improve the world we live in, all it takes is an initial hypothesis that is well-stated, founded in truth, and can withstand extensive research and experimentation.

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Notice that these statements contain the wordsif and then. Have you ever wondered what your personality type means?

Research Hypothesis

Sign up to get these answers, and more, delivered straight to your inbox. This hypothesis can't be tested because it doesn't make any actual claim regarding the outcome of skipping class.

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Once you have completed a literature review, start thinking about potential questions you still have. In other situations, the results of the study might fail to support the original hypothesis. If this is true, you would predict that when ghosts are angry, there will be more lightning storms.

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Write your hypothesis. Requirements for a Testable Hypothesis In order to be considered testable, two criteria must be met: It must be possible to prove that the hypothesis is true.

What is a Hypothesis? | Simply Psychology

How to reference this article: McLeod, S. A good hypothesis is written in clear and simple language.

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Salt in soil may affect plant growth. The word "could" makes a hypothesis extremely difficult to test because it is very vague. By its very nature, it is not testable. It states that the results are not due to chance and that they are significant in terms of supporting the theory being investigated.


Once the data is collected your group will have to summarize the data and represent the results using a table and figure. Campbell, et al. What is a testable hypothesis in psychology is something to attempt to disprove or discredit.

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But not all if-then statements are hypotheses. Make sure your hypothesis is "testable. If you're going to make me change my ways, I need some sound reasoning and experimental proof - perhaps case studies of others who dissertation paper length weight, cleared up their skin, and had a marked improvement in their immunity by drinking green tea.

  1. A Strong Hypothesis | Science Buddies Blog
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  4. Forming a Good Hypothesis for Scientific Research
  5. Identified the variables in the project.
  6. Formatting a testable hypothesis