1. Fallacies Read the cards on your table. For each one, write down: a) Why you think there is an error in the reasoning, and b) A counter-argument that would destroy it Then move on to look at the arguments on another table.

2. Reasons working together “The divorce law in Britain was changed at the end of the 1960s. The rate of divorce increased enormously from that time. Therefore changing the law caused the increase in the divorce rate”

3. Reasons working separately “Members of the council have been accused of taking bribes. They have also been accused of falsifying some of the financial accounts. Therefore, these council members should resign”.

4. “Recent research on the causes of arthritis has changed the way in which we think it is best treated. The new drug has been based on this recent research. So the new drug will be more effective than the old one in treating arthritis”.

5. Recent research on the causes of arthritis has changed the way we think it is best treated. This new drug has been based on this recent research. People who have used this new drug in trials have claimed a significant reduction in pain, compared to their experience with the old one. So the new drug will be more effective than the old one in treating arthritis.