How to use this series; How to use this book; Introduction; Chapter 1 Introduction; 1.1 Introduction; 1.2 Chapter overview; 1.3 Past paper questions; 1.4 Command words; 1.5 Summary; Section 1: Problem solving; Chapter 2 Understanding data in simple formats; 2.1 Understanding the information available; 2.2 Working out the calculation that is needed; 2.3 Selecting which parts of the information are needed; 2.4 Different ways to round numbers; 2.5 Understanding information in tables; 2.6 Understanding information from graphs; 2.7 Understanding information in diagrams; 2.8 Further sources of information; 2.9 Linked activity: Understanding the numbering used in photography; Chapter 3 Deductions and modelling; 3.1 Summarising information; 3.2 Making deductions; 3.3 Applying models; 3.4 Linked activity: Logic circuits; Chapter 4 Arranging, searching and finding ; 4.1 Understanding timetables; 4.2 Searching; 4.3 Scheduling; 4.4 Linked activity: Sharing a chocolate bar; Chapter 5 Communicating reasoning and patterns in data; 5.1 Summarising information; 5.2 Justifying a solution to a problem; 5.3 Checking all the possibilities; 5.4 Making estimates and stating assumptions; 5.5 Linked activity: Identifying errors in data; Chapter 6 Logical relations and features in data; 6.1 Logical relationships between pieces of information; 6.2 Identifying features in data; 6.3 Using patterns and other features found in data; 6.4 Searching for solutions; 6.5 Linked activity: Barcodes; Chapter 7 More complex problems; 7.1 Making and explaining more complex deductions; 7.2 Complex models; 7.3 Adapting solutions to problems in response to changes; 7.4 Linked activity: Error detection; ; Section 2: Critical thinking; Chapter 8 Evaluating reasoning (credibility); 8.1 What is 'evaluating evidence'?; 8.2 Reliability; 8.3 Plausibility; 8.4 Corroboration and consistency; 8.5 Perspectives presented in evidence; Chapter 9 Evaluate and use statistical evidence; 9.1 Representativeness of samples; 9.2 Design of questionnaires; 9.3 Issues with the way data is presented; Chapter 10 Use of evidence; 10.1 Explanations; 10.2 Inferences; 10.3 Assessing how well evidence supports a particular claim; Chapter 11 Arguments; 11.1 Distinguishing between arguments and other types of text; 11.2 Argument elements; 11.3 Assumptions; 11.4 Analysing the structure of arguments; Chapter 12 Evaluating reasoning; 12.1 Fallacies (flaws); 12.2 Other potential causes of weakness; 12.3 Appeals; 12.4 Analogies; 12.5 Identifying weaknesses in documents; Chapter 13 Constructing arguments and explanations; 13.1 Introduction to constructing arguments and explanations; 13.2 Argument elements which can strengthen reasoning; 153.3 Arguments and explanations based on source material; 13.4 Arguments not based on given sources; ; Chapter 14 Preparing for assessment; 14.1 Introduction; 14.2 The format of the assessment; 14.3 How to approach questions; 14.4 Revision tips; 14.5 Some final thoughts; Glossary; Index; Acknowledgements.