A researcher leaves a research file in her car while she attends a concert and her car is stolen. The file contains charts of aggregated numerical data from a research study with human subjects, but no other documents. The consent form said that no identifying information would be retained, and the researcher adhered to that component. Which of the following statements best characterizes what occurred? a. the subjects privacy has been violated b. confidentiality of the data has been breached c. there was neither a violation of privacy nor a breach of confidentiality d. there was both a violation of privacy and a breach of confidentiality