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Pearson Edexcel IAL Psychology
Unit 1: Social and cognitive psychology
Topic A: Social psychology
Topic B: Cognitive psychology
2.1.1 - Multi-store model of memory
2.1.2 - Working memory model
2.1.3 - Reconstructive memory
2.2.1 - Experiment design and conduct
2.2.2 - Independent and dependent variables
2.2.3 - Experimental and null hypotheses
2.2.4 - Directional (one-tailed) and non-directional (two-tailed) tests
2.2.5 - Experimental and research designs
2.2.6 - Operationalisation and variables
2.2.7 - Control groups and order controls
2.2.8 - Situational and participant variables
2.2.9 - Objectivity, reliability and validity
2.2.10 - Experimenter effects and demand characteristics
2.2.11 - List A quantitative and qualitative data
2.2.12 - Inferential statistics decisions
2.2.13 - Case studies of brain-damaged patients
2.3.1 - Bartlett (1932) War of the Ghosts
2.3.2 - Schmolck et al. (2002) patient HM
2.3.3 - Darling et al. (2007) visuospatial working memory
2.3.4 - Sacchi et al. (2007) doctored photographs and memory
2.4.1 - Cognitive psychology practical investigation
Unit 2: Biological psychology, learning theories and development
A-Level/Edexcel/Psychology//AS/Concept/Unit 1: Social and cognitive psychology/Topic B: Cognitive psychology/2.2.9 - Objectivity, reliability and validity

Unit 1: Social and cognitive psychology AS

Syllabus
2026
Section
—
Level
AS

Exam analysis

Most tested topics

  1. Topic A: Social psychology
  2. Topic B: Cognitive psychology