![]() ![]() If different observers provide significantly different observations of the same behaviour, then the data provided by those observers is unreliable. Of course, the exact same results will not be obtained each time as participants and situations vary, but a strong positive correlation between the results of the same test will indicate reliability.Īssessing and improving reliability of observersĪn observational research study using more than one observer needs to be assessed for reliability. In order to be able to class a test or research method as reliable, it must yield consistent results each time it is used. Reliability refers to the extent to which the measurement of a particular behaviour is consistent. It is important that psychology research can easily be repeated and yield the same results each time. Reliability and validity in psychology research ![]()
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