How did Bartholomew and Horowitz expand Hazan and Shaver's three categories of adult attachment?

Question

Quizplus · Accepted Answer

Bartholomew and Horowitz expanded on Hazan and Shaver's three categories by differentiating between two types of avoidant attachment: dismissive and fearful avoidant. They did not add a novel category of adult attachment, nor did they expand secure attachment to include realistic and unrealistic types or differentiate between anxious and apprehensive attachments.

How Did Bartholomew and Horowitz Expand Hazan and Shaver's Three