1. you are going to design an experiment to determine the effects of alcohol on reaction time in college students. describe your experiment, and then identify and explain each of the following in your experiment. • sampling • independent and dependent variables • control and experimental groups • how you would evaluate your results all i need is how should i evaluate my results and what does that mean and examples

Which of the following statements is not true about regions? a.) regions have fixed boundaries that are determined by the region's inhabitants. b.) a region can be defined by physical characteristics, such as climate, landform, and vegetation. c.) regions can change over time. d.) a region can be defined by human characteristics, such as language, government, and economic activity. e.) the same location can be considered part of multiple regions.

Leia a charge e o texto a seguir: esse é o texto : a nova gestão escolar encontra-se centrada em aspectos fundamentais à consolidação de um clima organizacional favorável ao desenvolvimento das diferentes atividades que ela realiza. desses aspectos, destacamos a valorização e o investimento no capital humano, a conferência de autonomia e responsabilidades aos profissionais que integram as equipes educativas, o estímulo ao trabalho coletivo e a criação de espaços de diálogo. nesse sentido, verificamos que o clima exerce uma influência muito grande no comportamento e nos sentimentos dos professores e demais colaboradores em relação à organização escolar. relacione a charge ao texto e exemplifique clima organizacional. não se esqueça de organizar sua resposta em um parágrafo de pelo menos dez linhas, com argumentos bem fundamentados e estruturados, primando pela norma culta da escrita.

The difference of sample means of two populations is 55.4, and the standard deviation of the difference of sample means is 28.1. which statement is true if we are testing the null hypothesis at the 95% confidence level? a. the difference of the two means is significant, so the null hypothesis must be rejected. b. the difference of the two means is significant, so the null hypothesis must be accepted. c. the difference of the two means is not significant, so the null hypothesis must be rejected. d. the difference of the two means is not significant, so the null hypothesis must be accepted.