David and tina have one grandson, dillon. they see him almost every weekend and make it a point to go to a movie or a park with him. both dillon and his grandparents look forward to their time together. according to neugarten and weinstein, david and tina have a(n) style of being grandparents.

Part d most of the group decides to use the wood to build a fence, which would divide the island from the beach. but some people don't want to use the wood for that purpose. do you think it would be fair to make those people build the fence?

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.

Give an example of a situation in which an individual's pursuit of economic self-interest may not benefit but instead harm the rest of society