In: Statistics and Probability
A group of psychologists is investigating whether exposure to outside spaces influences altruism. They gather a group of subjects and ask them to take a test, during the test, they are asked how much they would donate to a charity. Half of the subjects take the test in a windowless room, the other half take the test in the university’s garden. The researchers believe the subjects in the garden will donate more on average. Which of the following best describes the kind of test that would be necessary?
Group of answer choices
A one-sample, one-tailed test
A one-sample, two-tailed test
A two-sample, one-tailed test
A two-sample, two-tailed test