In environmental science, experimental design is an extremely important part of the scientific method. When a scientist seeks to prove or disprove a hypothesis, he or she must carefully design the experiment so that it tests only one thing, or variable.
Borderline personality disorder (BPD), also known as emotionally unstable personality disorder, is a long term pattern of abnormal behavior characterized by unstable relationships with other people, unstable sense of self, and unstable emotions.
People with borderline personality disorder are also usually very impulsive, oftentimes demonstrating self-injurious behaviors (e.g., risky sexual behaviors, cutting, The main feature of borderline personality disorder (BPD) is a pervasive pattern of instability in interpersonal relationships, self-image, and emotions. People with borderline personality disorder are also usually very impulsive, oftentimes demonstrating self-injurious behaviors (e.g., risky sexual behaviors, cutting, or suicide attempts).