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The website enables the user to rank and display group opinions on any issue across the entire curriculum.
Leagues within the Power League tool consist of a database of people, things or ideas chosen by the teacher or students. Students are presented with a question such as, "What do you think is the biggest cause of climate change?" They then vote for one item from a series of pairs randomly generated from the database.
A climate-change league might include short-haul flights, deforestation, CFCs, 4x4 cars and standby buttons on home devices. The Power League then ranks each of the items by the whole group's overall order of preference, changing the order each time a student casts a vote.
The often unexpected nature of the pairs being compared and the resulting leagues makes a good starting point for debate: why is this invention more important than that one?; or what is the main cause of obesity?
The tool can be used for whole-class discussion and is ideal for use with interactive whiteboards.