Issue 1．Is Evolution a Good Explanation for Psychological Concepts？ 1
Issue 2．Is Homosexuality Biologically Based？ 36
Issue 3．Is American Psychological Research Generalizable to Other Cultures？ 66
Issue 4．Are Violent Video Games Harmful to Children and Adolescents？ 83
Issue 5．Can Positive Psychology Make Us Happier？ 107
Issue 6．Is Emotional Intelligence Valid？ 140
Issue 7．Does an Elective Abortion Lead to Negative Psychological Effects？ 172
Issue 8．Are Fathers Necessary for Children's Well-Being？ 203
Issue 9．Can Sex Be Addictive？ 233
Issue 10．Is Excessive Use of Facebook a Form of Narcissism？ 256
Contributors to This Volume 296