New 2015 A-Level Psychology: Essential Maths Skills Level & Subject: A-Level Psychology First Teaching: September 2015 First Exams: June 2016 This brilliant CGP book covers all the maths skills needed in AS and A-Level Psychology (the use of maths is required for up to 10% of the marks in the final exams and assessments). It explains Calculations, Graph Skills and Statistics, with clear study notes and step-by-step examples in the context of Psychology. And to make sure you've really got to grips with it all, there are practice questions for each topic - with answers included at the back of the book.