Dr. davenport wants to conduct a study of whether high school students learn more efficiently while seated at a desk compared to in an easy chair. participants will be seniors in local high school history classes. she hopes to publish her findings in the history teacher quarterly. does dr. davenport need internal review board (irb) approval for this study?

Yes Dr. Davenport need internal review board (IRB) approval for this study.
According to their website, IRB approval is necessary for human subject research which will result in publication in a graduate or senior student essay or thesis . Failing to follow this requirement might cause the university where the research is conducted would no longer receive the subsidies that given by federal government.

Taking a shower. why is cause as you shower the water is running more than taking a bath, washing a load of dishes or brushing your teeth. water is being used more by taking a shower and depending on how many people live in the household that take showers. some take a shower twice a day.