In order to reduce a factor called bias, other expert (with at least the same qualification) should take part in the experiment.ģ. Even if he has hundreds of assistant, it may not be fair, as bias may play a significant role. If for example, Professor ‘A’ makes the hypothesis, he should not be the only one who does the experiment. Experiment should be done not only by one particular expert, but lots.
These are important in order to prevent things like conspiracy or oversimplified test (only using a small number of sample).Ģ. How many samples were tested? List of the equipment that were used and justified explanations of the process. Detailed procedure of the experiment should be published. This doubt can occur if the following are not fulfilled:ġ. In other word, the results of the experiment must therefore be consistent in order for a hypothesis to be acknowledged.īeing consistent in this case means that the result has to be the same (approximately similar) every time the experiment is being done.Īlthough psychologists have set a definition of what reliability is and even though experiment has clearly shown that a hypothesis is reliable (by giving consistent results), a doubt can still arise from the society. In order for this to happen, during the experiment, the results must support the hypothesis. Having said that, a hypothesis can actually be very close to the word ‘true’. Obviously, no one can guarantee that something is hundred percent true. Since hypothesis is the root of knowledge, it is therefore has to be ‘true’. It is therefore important to have a proper and accurate knowledge. Knowledge is important as it can be used to revise our mistakes or inefficiency in life. When an expert expresses its thought in the form of hypothesis, it must first pass a carefully planned and conducted experiment, by giving consistent results, before it can be accepted by the society as a reliable theory.Ī reliable theory is needed to improve a study, which will be used to enhance the knowledge of the society. The accuracy of a hypothesis is being tested through experiments.
In psychology, the word reliability can be defined as when several experiments give consistent results.
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