Complex sentence: This form of bullying is usually perfected so that only the intended victim is aware of the issue, and as with the other forms, has strong correlation with the aversive nature of the Dark_triad.
Split into simpler sentences: This form of bullying is usually perfected so that only the intended victim is aware of the issue. As with the other forms of bullying, passive bullies show a strong correlation with the aversive nature of the Dark_triad.