# Define conceptual hypothesis, navigation menu

Experimenters may test and reject several hypotheses before solving the problem. These are called the null hypothesis and the alternative hypothesis.

Testability compare falsifiability as discussed above Parsimony as in the application of " Occam's razor ", discouraging the postulation of excessive numbers of entities Scope — the apparent application of the hypothesis to multiple cases of phenomena Fruitfulness — the prospect that a hypothesis may explain further phenomena in the future Conservatism — the degree of "fit" define conceptual hypothesis existing recognized knowledge-systems.

The statement could also include "may.

Otherwise, any observed effect may be due to pure chance. When a hypothesis is created with no prediction to the outcome, it is called a two-tailed hypothesis because there are two possible outcomes. A key function in this step in the scientific method is deriving predictions from the hypotheses about the results of future experiments, and then performing those experiments to see whether they support the predictions.

Upon analysis of the results, a hypothesis can be rejected or modified, but it can never be proven to be correct percent of the time. In statistical hypothesis testing, two hypotheses are compared.

The null hypothesis is the hypothesis that states that there is no relation between the phenomena whose relation is under investigation, or at least not of the form given by the alternative hypothesis. Sergey Nivens Shutterstock A scientific hypothesis is the initial building block in the scientific method.

This means that the scientist believes that the outcome will be either with effect or without effect. Thus, his hypothesis is true, but it may not be true percent of thymine synthesis time.

However, some scientists reject the term "educated guess" as incorrect.