Delhi sarkar Ne traffic jam ki samasya par Pradushan ke khilaf red light on gadi off Jaise Abhiyan chalaya hai kya yah sahi hai aur use per 5 line likhe​

According to erikson's theory, which stage of social development is related to adulthood

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.

Account for differences in percentage population growth rates between more economically developed countries and less economically developed countries