Define Concept and Example
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Accuracy refers to the state in which something or someone is correct. Basically, accuracy is determined by lack of errors. The more a certain value is close to the standard or known value, the more accurate it is likely to be. For instance, accuracy in the field of mathematics is a common term. In a calculation where the answer is definite, having an answer that is similar to that one is termed as accuracy while having any answers that is slightly higher or even lower than that is inaccurate. In the applied behaviour analysis (ABA) therapy, accuracy can be applied to make a person who is not married to achieve total abstinence in order to avoid contacting HIV/ AIDs.
Reliability generally refers to the act of being reliable. Something or a test that is deemed as reliable is the one which can measure what it is intended with consistency. In ABA therapy, reliability can be used in personality tests. Personality tests results that give similar results with positive correlation most of the time can be relied upon. This is because whenever something is wrong, the tests will show and more therapy will be offered rather than giving a wrong result which can lead to the discontinuation of therapy while there is indeed a problem.
Validity refers to the extent to which something is based on logic and reason, and well-founded to the real world.  In ABA therapy, can be used to test how real the principles that influence criminal behaviours are. A validity test will be used to know whether those principles have used logic and reason to explain criminal behaviours.