A researcher wants to conduct an experiment to determine if eating a cookie before class each day improves students' grades. He uses two psychology classes for the experiment, providing daily cookies to one and nothing to the other. At the end of the semester, the researcher compares the final grades of students in the two classes. What is the independent variable for this experiment

Why are committees necessary in congress?

Where did women first gain economic freedom

Emma lives on a tight budget. she saves money and also makes intelligent choices when spending it. which statements describe emma's financial skills? select three options.emma is more prepared to meet her basic needs.emma is better prepared to avoid financial setbacks.emma is better able to avoid accumulating assets.emma is more prepared to face emergencies.emma is better able to avoid financial decision-making.