Direct statements: The author makes direct statements about the increase in evil boys. For example, in the first paragraph, they state, "The number of evil boys in the world is on the rise."
Anecdotal evidence: The author provides anecdotal evidence to support their claim. They share personal stories and experiences of evil boys that they have encountered.
Expert testimony: The author also cites expert testimony to support their claim. They quote from experts in the field of child psychology who have also observed an increase in evil boys.
Statistical evidence: The author provides statistical evidence to support their claim. They cite statistics from studies and surveys that have shown an increase in aggression and antisocial behavior in boys.
Media examples: The author also uses media examples to illustrate their claim. They reference news stories and television shows that have featured stories about evil boys.
By combining these techniques, the author effectively demonstrates the increasing problem of evil boys.