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Operant conditioning uses rewards and punishments to change behaviors. Positive reinforcement and negative reinforcement increase the chance of a behavior happening again. Operant conditioning can ...

The data displayed for this chart goes back to 1996, however we hope to be able to offer deeper historic information at a future point ...

Compiled by the Official Charts Company, the UK's biggest specialist classical albums of the week, based on sales of digital bundles, CDs, vinyl and other formats, across a seven day period.

This ranking of the 21 greatest violin concertos of all time aims to capture the breadth and brilliance of the genre. Some choices are obvious mainstays: Brahms’s noble and muscular work, Bartók’s ...