How do you write a theoretical background?
The theoretical background of your scientific work should follow the following structure: Origin of the theory (including authors) Definition or the context in which the theory was developed. Illustration or, if applicable, specific aspects that are helpful for your scientific work. Further entries … •
What is an alternative hypothesis?
Definition of alternative hypothesis They go beyond the current state of knowledge, ie a hypothesis is used to make an assumption. If hypotheses contradict or supplement the current state of knowledge, one speaks of counter or alternative hypotheses.
How do you make a null hypothesis?
Null hypothesis explained in simple terms The formal definition is: The null hypothesis and the alternative hypothesis must always be formulated in opposite directions, so that at the end of the investigation one of the two can be assumed to be true, while the other is rejected as false.
What is the null hypothesis?
A null hypothesis refers to the assumption about the “population” to be tested in the context of a “hypothesis test”. The null hypothesis chosen is often not the assumption that is actually of interest, the so-called working hypothesis, but the assumption that one would like to refute.
When do you reject the null hypothesis?
If the p-value is “small” (less than a specified level of significance; generally reject the null hypothesis. If the null hypothesis is rejected in favor of the alternative hypothesis, the result is designated as “statistically significant”.
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