The essential difference between an experiment and an observational study is

The laws and policies of a theocratic government are based on a. rule by a constitutional monarch b. the balance between parliament and an executive leader c. equal representation for each member state d. religious principles and beliefs

Plz me fast like asap! which quotation reflects the perspective of most of georgia legislatures in 1956 regarding the georgia state flag? question 4 options: "georgia's flag should be updated to have a more modern look and design." "georgia's flag should be a symbol of integration and equal rights." "georgia's flag does not need to be changed; it represents peace and prosperity." "georgia's flag should be a symbol of our resistance to federal integration laws."

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a study of twenty 4th grade classrooms in which researchers ask the schools to systematically vary the time of day reading is taught, and collect weekly assessments of reading comprehension for each child over a three-month period. the collection of data, by a playground designer hired by the superintendent of schools, about the physical dimensions of school playgrounds, presence of fencing, and the kinds of equipment currently provided. a feasibility study for implementing a year-round school program, focusing on economic issues such a facilities utilization and transportation costs. an analysis of aggregate data comparing statewide high school graduation rates provided by the state department of public instruction, using county tax information.