Explaining Statistical Concepts
|Lots of statistics sites cover the basic information so it makes sense to be clear on what exactly you are looking for. Do you need to look up something quickly or have you a bit of time to spend going through a site in some detail? Do you just want a simple explanation or are you going to do some revision that includes working through examples? It is probably best to put aside a bit of time to explore these sites so that you know where to go if you are short of time. Introductory level sites are generally suitable for levels 1 & 2, intermediate sites up to level 3 and advanced levels 3 & 4 and beyond. Sites suitable for all levels are generally comprehensive and include a variety of tests and materials.
For Level 1 and 2 psychology and revision of basic concepts try SUMS. An interactive website, using real data from research and teaching. Explains statistical concepts at 3 levels, up to t-test and correlations. Useful for basic concepts and revision for level 3 if you need it! Includes lots of opportunities to test yourself. Needs time to work through the examples properly rather than instant solutions. For a brief outline of ANOVA (and other tests from the home page) Goes through output from SPSS step by step for each test. Site hasn’t been updated since 2000.
If you have time to browse, try an online stats textbook, this one includes demos and simulations. Useful for understanding statistical concepts. Another online stats textbook and resource is SOCR which is useful for explaining concepts, but may go beyond the scope of the analyses required by psychology UG projects. Students may find the SOCR class notes, analyses, computational and graphing tools extremely useful in their learning/practicing pursuits. The WISE online tutorials in statistical concepts has many useful interactive exercises on choosing the correct statistical test.
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