Van Ijzendoor and Kroonenberg (1988)
One of the key questions in psychology is the extent to which behavior is universal. Researchers have noted that the way parents raise children is different around the world - but is the attachment between a child and their caregiver the same in all cultures? Van Ijzendoor and Kroonenberg (1988) wanted to see if the rate of secure attachment was universal. They did this by carrying out a meta-analysis of research...