Sextus empiricus outlines of pyrrhonism online

This is the greatest piece of Retroductive reasoning ever performed." – C. The overall process involves making conjectures (hypotheses), deriving predictions from them as logical consequences, and then carrying out experiments based on those predictions to determine whether the original conjecture was correct. The question can refer to the explanation of a specific observation, as in "Why is the sky blue?", but can also be open-ended, as in "How can I design a drug to cure this particular disease?" This stage frequently involves looking up and evaluating evidence from previous experiments, personal scientific observations or assertions, and/or the work of other scientists.

The overall process of the scientific method involves making conjectures (hypotheses), deriving predictions from them as logical consequences, and then carrying out experiments based on those predictions.

A hypothesis is a conjecture, based on knowledge obtained while formulating the question.

The hypothesis might be very specific or it might be broad.

Scientists then test hypotheses by conducting experiments.

Under modern interpretations, a scientific hypothesis must be falsifiable, implying that it is possible to identify a possible outcome of an experiment that conflicts with predictions deduced from the hypothesis; otherwise, the hypothesis cannot be meaningfully tested.

Experiments can take place in a college lab, on a kitchen table, at CERN's Large Hadron Collider, at the bottom of an ocean, on Mars, and so on.

There are difficulties in a formulaic statement of method, however.

Though the scientific method is often presented as a fixed sequence of steps, it represents rather a set of general principles. "Kepler shows his keen logical sense in detailing the whole process by which he finally arrived at the true orbit. 1896, on Kepler's reasoning through explanatory hypotheses formulated in the 20th century, although it has undergone significant revision since first proposed (for a more formal discussion, see below).

The Oxford Dictionaries Online define the scientific method as "a method or procedure that has characterized natural science since the 17th century, consisting in systematic observation, measurement, and experiment, and the formulation, testing, and modification of hypotheses".

The scientific method is an ongoing process, which usually begins with observations about the natural world.

Human beings are naturally inquisitive, so they often come up with questions about things they see or hear and often develop ideas (hypotheses) about why things are the way they are.

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