Van Ijzendoorn & Kroonenberg carried out meta-analysis of 32 studies with over 2000 strange situation classifications in 8 countries
Van Ijzendoorn & Kroonenberg found that secure attachment is the norm
Van Ijzendoorn & Kroonenberg found that individualist cultures had more insecure-avoidant children, whereas collectivist cultures had more insecure-resistant children
V&K found that there was 1.5x more variation within cultures than between them
The most insecure-resistant countries were Israel, Japan & China
The most insecure-avoidant country was Germany
Tronick (1992) found that in an African tribe children were looked after by different women but slept with their mother at night, and still showed one primary attachment after 6 months, supporting Bowlby's theory of monotropy
Collectivist culture is a community that prioritizes the group over the individual, valuing interdependence by sharing tasks and child-rearing
Individualist culture is a culture that prioritizes the importance of individuals and values independence & privacy
Meta-analysis is a method of data analysis where researchers look at findings from multiple studies and produce an overall statistic
Global culture means that the effects of mass media mean the world is exposed to similar influences, rather than innate biological factors
There are many subcultures within each country so it is difficult to generalise about the whole country
The strange situation technique was developed in the USA so may not have validity in other countries