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One common experimental technique is the "ball tossing" paradigm, which involves a group of three people tossing a ball back and forth. Unbeknownst to the actual participant, two members of the group are working for the experimenter and following a pre-arranged script. In a typical experiment, half of the subjects will be excluded from the activity after a few tosses and never get the ball again. Only a few minutes of this treatment are sufficient to produce negative emotions in the target, including anger and sadness. This effect occurs regardless of self-esteem and other personality differences. A computer version of the task known as "cyberball" has also been developed and leads to similar results. Surprisingly, people feel rejected even when they know they are only playing against the computer.
Individual differences in rejection sensitivity are believed to be the result of previous rejection experiences, particularly childhood experiences with parents and peers. Attachment theory suggests that rejection from parents could lead to rejection sensitivity. One study found that rejection sensitivity in adulthood was related to teasing experiences during childhood, but not the amount of support received from childhood friends.
Individual differences in rejection sensitivity are believed to be the result of previous rejection experiences, particularly childhood experiences with parents and peers. Attachment theory suggests that rejection from parents could lead to rejection sensitivity. One study found that rejection sensitivity in adulthood was related to teasing experiences during childhood, but not the amount of support received from childhood friends.