Malcolm has no friends except for his brother. He would desperately love to date women, but he is certain that no woman would be interested in him, and is fearful that other people would ridicule his public behavior. Malcolm tried a dating service but was convinced that the secretary was trying to get rid of him because he was such a poor candidate. Any thought of meeting a woman in public causes him to experience an intense fear of rejection. The MOST likely diagnosis for Malcolm is _____ personality disorder.