Megan is a 17-year-old girl who is interested in music. she wants to become a pop star and, therefore, has joined piano and vocal-training classes. according to marcia's theory on identity status, which of the following dimensions of identity is being focused by megan? (a) commitment.(b) no sense of having choice.(c) crisis.(d) sense of identity.

How were the economies of the northern and southern states different? how ere they the same? what factors led them to develop differently?

Transcendentalist walt whitman captured the spirit of young america by creating

The authors of the paper "fudging the numbers: distributing chocolate influences student evaluations of an undergraduate course"† carried out a study to see if events unrelated to an undergraduate course could affect student evaluations. students enrolled in statistics courses taught by the same instructor participated in the study. all students attended the same lectures and one of six discussion sections that met once a week. at the end of the course, the researchers chose three of the discussion sections to be the "chocolate group." students in these three sections were offered chocolate prior to having them fill out course evaluations. students in the other three sections were not offered chocolate. the researchers concluded that "overall, students offered chocolate gave more positive evaluations than students not offered chocolate." indicate whether the study is an observational study or an experiment. give a brief explanation for your choice.