các yếu tố liên quan đến chi phối quan hệ liên nhân cách ? Hướng vận dụng xây dựng quan hệ liên nhân cách tích cực và khắc phục sự chi phối của các quan hệ liên nhân cách trong quá trình vận hành các quan hệ xã hội hiện nay ?

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.

Idont know any of these can anyone me

Why does the united states supreme court allow hate speech under our freedom of speech?