animal studies and attachment

• lorenz - geese imprinting study - concluded that there was a critical period when attachment formed
• critical period - must attach within this time for survival
• harlow - rhesus monkeys - surrogate mothers - cloth and wire - prefered the cloth even if wire had food
• lorenz crit - conflicting evidene guillard chickens
• lorenz crit - unethical
• lorenz crit - animal can't apply to humans
• lorenz pro - influenced bowlby
• harlow crit - unethical
• harlow crit - lab study - low ecological validity
• harlow con - animal can't generalise