rourk016: November 2011 Archives

Band, Orchestra, or Choir?

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A study was conducted between two high schools involving their band, orchestra, and choir ensembles and their relationship to personality. The study also tried to indicate whether having a certain personality type would make you choose a certain instrument. To ensure validity, those being measured had be involved in only one ensemble and had to have participated in that ensemble for more than a year. It was predicted that those in choir would be more extraverted and those participating in band and orchestra would be more introverted. The Myers-Briggs Type Indicator (MBTI), one of the most widely used personality tests worldwide, was administrated to test this theory. They found that for all ensembles more students preferred extroversion, but for all of the other categories that MBTI tested there was no difference. As predicted, choir students had higher extroversion scores than did the students in band and orchestra. Although our textbook states that the Myers-Briggs Type Indicator is not a reliable test of personality, most the results have been replicated by other studies.

After taking the Myers-Briggs Type Indicator for my job in high school, I believe that the results were accurate and described my personality well. One of my friends who also took the test seemed to feel the same way. However, this could be due to the P.T. Barnum effect. I would be interested in taking the Myers-Briggs Type Indicator again to see what my results would be like now that I am in college and living a new lifestyle. It would be interesting to see how consistent personality is through your lifetime.



The bonding between primary caregivers and their children is one of the most important aspects of healthy human development. If these bonds are weakened or nonexistent, a child could seek a connection or relationship with some other source. This source could be an unhealthy obsession with body image or a fixation on food and diet, and could ultimately lead to an eating disorder. Anorexia nervosa and bulimia nervosa are the two major eating disorders affecting people today. Anorexia nervosa is a disease that is characterized as extremely limited eating with a relentless desire to be thin. Bulimia nervosa is characterized by frequent episodes of eating unusually large amounts of food and then vomiting to compensate for it.

Research is currently being done to find the genetic, biological, psychological, and social causes of eating disorders. Recently neuroimaging studies have been conducted to examine the differences of brain activity in women with bulimia nervosa and healthy women. Using fMRI, researchers could see the differences in brain activity while the women were asked to perform a task that involved self-regulation. Women with bulimia nervosa did worse on the test because they were more impulsive and inaccurate with the task. The brain scans also showed that bulimic women had less brain activity in the brains areas involved with self-regulation. Although conclusions cannot be drawn from this test alone, these findings could help to development more successful treatments for both bulimia and anorexia.

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