What is a hypothesis simply explained?
A hypothesis (from ancient Greek hypothesis, late Latin hypothesis, literal assumption ‘) is (since Newton) an assumption (causa ficta) formulated in the form of a logical statement, the validity of which has not been proven or verified, but is suitable for explaining phenomena.
What makes a good hypothesis?
Hypotheses must be formulated as simple, as short and concise sentences as possible, which make the cause and effect and thus the assumed relationship of the variables clear, either as an if-then construction (classificatory hypotheses) or as an ever-so construction (comparative hypotheses).
Which criteria must a scientific hypothesis meet?
In order for this to be possible, a hypothesis must always meet the following criteria: Empirical investigability. A hypothesis always describes real existing and observable facts. Generalizability. Conditional sentences. Falsifiability. Example of a correctly formulated hypothesis.
What does it mean if the null hypothesis is rejected?
If the null hypothesis is rejected, the first type of error (rejection of the null hypothesis, although the null hypothesis applies), but the probability of this being less than or equal to the specified level of significance (usually 5%). Hence one is interested in rejecting the null hypothesis.
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