PSYA01H3 Chapter 2: Chapter 2 Notes.docx
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Reliability when it provides consistent and stable answers across multiple observations and points in time: test retest reliability examines whether scores on a given measure of behavior are consistent, if your scores on depression test vary widely every time you take the test, then your results, alternate forms reliability examines whether different forms of the same test produce the same across test sessions. are not reliable. results. If correlations are negative, it means that as the value of one variable increases, the value of the other tends to decrease: correlation coefficient of zero means that there is no relationship between the two variables, correlation coefficient of +1. 0 means that there is a very strong positive correlation between the variables, coefficient of 1. 0 means that there is a very strong negative correlation between the variables, +1. 0 and 1. 0 have an equal magnitude or strength but different directions.
