Juan, a hispanic male, is a chemical engineer for alliance chemical. he is the only hispanic male in a department of 74, 42 of whom are engineers. he is terminated after 10 months on the job. his supervisor said the discharge was based on juan's poor performance, including routinely reporting to work late, for taking excessive unexcused absences and missing project deadlines. according to the supervisor, juan was the least productive engineer in the department. juan believes that because he was the only hispanic in the department he has a good claim for discrimination. however, juan does not have a claim for discrimination under title vii because

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.