Correlation often shows a casual relationship between two variables such as height and weight. Taller people tend to be heavier and so we can see a correlation in these two sets of data. However, some variables may show correlation when in fact there is no casual relationship between them. The results may be correlated by chance. This means that even the correlation is a useful tool for studying data, it is not always reliable.
Theory of : Online resource for the theory of knowledge course
ToK explained and a large collection of resources - Theory of Knowledge (TOK) is a required interdisciplinary course intended to stimulate critical reflection inside and outside the classroom.
Philosophy Games Some TOK related games.
Think is a periodical of the British Royal Institute for Philosophy. Published tri-annually, this magazine is aimed squarely at those with no philosophical background - great for students.
The Philosophers Magazine is a British journal devoted to interesting issues within philosophy. Its scope is rather wider than Theory of Knowledge, though it is not an academic journal, and it is packed full of interesting and funny articles. The interactive 'games' page is particularly fun and worth a visit.
The British Prospect is another magazine that is more general but regularly has excellent TOK resources. As an example, the April 2003 edition contains, among other things, articles on why art galleries should show copies of great works rather than originals; why the scientific community rejects controversial environmental findings; how Hollywood movies are in effect rewriting history for today's movie-going culture; and why a particular brand of relativism does not stand up to analysis.
Parabola Magazine is published four times a year and is thematically based. The back issues on language, consciousness and several other issues are well worth ordering in. Highly accessible and stimulating it draws from universal sources of all types. There are videos as well.
Forum is the official IB Theory of Knowledge magazine. Discussing assessment, lesson plans and activities, schemes of work and conferences, it is an extremely useful resource. The paper version is distributed free to all diploma schools.
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