Answer:
According to the theory of attachment, individuals with fearful-avoidant attachment style are are avoiding intimacy with others because they think that they are flawed and unworthy, while individuals with dismissive-avoidant style believe that they do not need intimacy with others because they are too self-sufficient and independent.
Explanation:
Individuals with dismissive-avoidant attachment style have a very high self-esteem, in particular by suppressing bad memories. They believe that intimate relationships are unnecessary and display a lot of independence.
Individuals with fearful-avoidant attachment style have confused image of themselves and others (often as a result of trauma). They would like to become intimate, but they are too scared to become close with others and treat other people attempts to establish intimacy with suspicion.
