An effective decision maker ensures quality information by: A. Discounting conflicting opinions. B. Defending baseline data from reports received from other sources. C. Validating information to be true and accurate. D. Avoiding secondary sources of information.

The correct answer is C. Validating information to be true and accurate

Explanation:

The process of making decisions involves analyzing the options available through different sources of information. For example, if you are planning to go on vacation but you have not chosen the destination you can read articles about the best places to visit to take an informed decision.

Besides this, the process of finding and reading information to make a decision involves making sure the information is high-quality information, this can be done by analyzing whether the information in the source is supported, updated and written by an expert in the field, which shows the information is true and accurate and guarantees you have reliable information to make a decision. Thus, an effective decision maker ensures quality information by "validating information to be true and accurate".