A researcher designs a study that involves interviewing cancer survivors about their experiences with support groups, along with other forms of social support, during treatment. In order for the study to be considered ethical, the researcher needs to:

allow the participants to withdraw from the study at any time.

Explanation:

Researchers have two levels of ethical responsibility. They are;

1. Responsibility to the individuals both human and nonhumans who participate in their research studies

2. Responsibility to the discipline of the science to be accurate and honest in the research reporting.

Research Ethics is saddled with accountabilty of researchers, to be honest, and respectful to all individuals who are affected by their research studies or their reports of the study's results. It is held by a set of ethical guidelines that helps to make proper decisions and chooses proper actions.

Ethics code in research includes No Harm or try to minimize harm and others and Consent of the research participant to either participate and their right to refuse or withdraw from research.

what is the tax base for the sales tax?

it should be (usually ) 6%

classical republicanism, also known as civic humanism, is a form of republicanism  developed in the renaissance inspired by the governmental forms and writings of  classical  antiquity, especially such  classical  writers as aristotle, polybius, and cicero.