what were the findings of Van IJzendoom study
- average findings were consistent with Ainsworth's original research
- individualistic countries had high levels of insecure avoidant
- collectivist countries had high levels of insecure resistant
- results of studies within the same country were 150% greater than those between different countries
- secure attachment seems to be the norm
- cultural practices have an influence on attachment type
- this supports Bowlby's idea that attachment is innate + universal