What Makes a Good Hypothesis?

What makes a good hypothesis?  How are hypotheses tested?  Find an example of an experiment from the news.  What was the hypothesis in the experiment.?

The good ol’ definition of a hypotheses as an “educated guess” doesn’t stand anymore, because a good hypothesis is way more than just that. I can make an educated guess about what I think the weather is going to be like tomorrow, but that does not mean that I am making a hypothesis. A good hypothesis is a claim or potential answer to a proposed question. This claim is always in the form of a statement and it can either be supported or proven false by experimentation. Testing the hypothesis is essential, and must be done in a such a way that quantitative data can be measured. This is not necessary for experimentation, but the best collectible data result in more questions, more hypotheses, more testing, more answers and more knowledge

In a recent study, the impact of a species’ extinction on the surviving ecosystem was tested. The researchers’ hypothesis was that the extinction of one type of organism would lead to the extinction of other species in the area. They believed that, because of the dependent nature of biotic interactions within communities, a loss has the potential to create a domino effect and cause an imbalance in surviving organisms’ survival rate. This hypothesis achieves all of the necessary requirements listed above. It was a statement that answered the question: what effect does the extinction of one species have on an ecosystem? The survival rates of remaining species were recorded in a quantitative fashion in a well developed experiment, and the hypothesis had the potential to be proven or falsified.

The experiment is very interesting and I would recommend checking it out:

http://esciencenews.com/articles/2012/08/15/study.proves.1.extinction.leads.another

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