You bring a package home from the department store and your dog immediately jumps on you to investigate it; your 3-year-old niece comes to visit and opens all your kitchen cupboards to see what is inside; on a television documentary program, you see a monkey trying to open a box left in its cage. all of these are examples of

Which institution includes radio televisions and movies

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.

2) based on the information, which is an opinion rather than a fact about immigrants to north america? immigrants