1. Explanations of evidence What should you do when considering evaluation in a explanation When will an explanation weaken its support for the conclusion What is the link between plausible and alternative explanation

2. What should you do when considering evidence in a explanation 1.Check it if it is relevant to the conclusion 2.Make sure it is consistent 3.Make sure it is meaningful 4.Look if it is selective or representative 5.What is the source of the evidence

3. What is wrong with percentage evidence from surveys? How can you tell the reliability of a piece of evidence? It can be manipulated Check the source of the evidence

4. Inconsistency and consistency Where the information changes in the argument and is different to what is previously claimed For example: The square is 10 cm long The square is 16 cm long

5. Contradiction A contradiction is where the argument says something completely different to what is already claimed For example The square is 10 cm long The square isn't 10 cm long

6. Spot the contradiction in this passage People should visit public health centres more often, as they provide various good services and make sure that you are in good shape! Health centres cost a lot of money, and money can be better spent on clinics and hospitals to improve the services we already have.