Psychology (9990)AS LevelIssues and debatesAS LevelCore StudiesMain AssumptionsBiological– Dement & Kleitman (sleep)– Hassett et al. (monkey toy)– Hölzel (mindfulness)Cognitive– Andrade (doodling)– Baron-Cohen et al. (eyes-test)– Pozzulo et al. (line-ups)Learning– Bandura et al. (aggression)– Fagen et al. (elephant learning)– Saavedra and Silverman (phobia)Social– Milgram (obedience)– Perry et al. (personal space)– Piliavin et al. (subway Samaritans)Research MethodsAS LevelA LevelSpecialist Options