changing nature of family life - simonelli et al (2014) - secure less and avoidant more when testing strange situation. - suggests new coping mechanisms due to modern life and baby adjusting to absent mother
dominant attachment was secure in most countries
evidence for bowlby's theory that there is biological drive for parents to form a secure attachment
only one study for some countries in van ljzendoorns meta analysis
sample may have over-represented certain populations e.g poverty
there are different cultures in a country - not representative of entire country
ljzendoor - meta analysis vary large sample
any poorly conducted studies only have small affect on result - increasing validity on overall findings
ethnocentrism by using the strange situation
culture bias as these attachment types are more common in wesrern culture - these veiw secure as superior - shouldnt use emic conccept by etic (universal)