Both positive and negative reinforcement serve to strengthen wanted behavior. select the best answer from the choices provided
a. true
b. false

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.

What were some characteristics of the yamato culture select all that apply a. it was a very weak empire with little knowledge of trade b. it believed its people were descended from kami the sun goddess c. it allowed woman to hold positions of power d. it developed technologies that improved life and increased trade e. its leader tokugawa brought peace to japan

Congress is controlled by the democrats. president yaeger, a republican, takes several actions that are opposed by the democrats in congress. first, the president introduces a new budget that cuts most of the government's social programs and gives tax breaks to the wealthy. next, president yaeger negotiates a trade treaty with a nation accused of human rights abuses. then, the president gives pardons to three republican senators who have been convicted of crimes.