The Pearson Edexcel International Advanced Subsidiary in Psychology and the Pearson Edexcel International Advanced Level in Psychology are modular qualifications. The Advanced Subsidiary can be claimed on completion of the International Advanced Subsidiary (IAS) units. The International Advanced Level can be claimed on completion of all the units (IAS and IA2 units).
Pearson Edexcel International Advanced Subsidiary in Psychology This qualification consists of two externally-examined units. The International Advanced Subsidiary is the first half of the International Advanced Level qualification and consists of two IAS units, Units 1 and 2. This qualification may be awarded as a discrete qualification or may contribute 50 per cent towards the International Advanced Level qualification.
Pearson Edexcel International Advanced Level in Psychology This qualification consists of four externally-examined units. The International Advanced Level consists of the two IAS units (Units 1 and 2) plus two IA2 units (Units 3 and 4). Students wishing to take the International Advanced Level must, therefore, complete all four units. Unit 1: Social and cognitive psychology: 40% of the total IAS Unit 2: Biological psychology, learning theories and development: 60% of the total IAS Unit 3: Applications of psychology: 40% of the total IAS Unit 4: Clinical psychology and psychological skills: 60% of the total IA2