- Social: Issues of personality, culture, gender and situation in explaining obedience and prejudice. Use of two different theories to explain prejudice (Realistic Conflict and Social Identity) and obedience (Agency and Social Impact).
- Cognitive: Four models of memory show different ways of explaining memory either through a series of structures or the way memory is processed, ie MSM views it as series of stores.
- Biological: Comparing Freud’s ideas and biological explanations (ie evolution) of aggression. Similarly, role of evolution against hormones when explaining aggression.
- Learning: Different learning theories explain learning through association, reinforcement and imitation. Only SLT takes cognition into account.
- Clinical: Explaining mental illnesses, ie there is the dopamine hypothesis against cognitive deficits.
- Child: Bowlby draws together many themes to explain attachment, ie natural selection, proximity promoting behaviours, psychodynamic and cognitive themes.