What are the three characteristics of experiments? Group of answer choices
Manipulation, Control, Random Assignment
Manipulation, Reliability, Validity
Scientific Method, Reproducibility, and Validity
Reliability, Validity, and Consistency

Situation #1: imagine that you are a free black male living in columbus, oh in 1863. you have seen the recruiting poster and have been thinking a lot about whether or not to enlist in the union army. write a one-page letter (double spaced) to your mother telling her of the decision you have made about enlisting (or not enlisting). be sure to explain the reasons that caused you to make the decision.

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

Which of the following statements concerning brazil since independence is not true? brazilians today can participate in politics through voting. brazil has been governed by dictators and elected officials. brazil became independent from portugal in 1822. brazil was the first country in the americas to end slavery.