Which method is NOT considered a technique for early exchanges of information?

The method of "Post-proposal award evaluation" is not considered a technique for early exchanges of information because it typically occurs after proposals have been submitted and evaluated. This phase focuses on assessing the effectiveness of the procurement process and understanding what went well or could be improved for future solicitations.

In contrast, pre-solicitation conferences, market research, and one-on-one meetings are proactive methods used to gather information and insights before a solicitation is issued. These techniques foster communication between potential bidders and the contracting agency, allowing for clarifications, sharing of expectations, and ensuring that all parties have a clear understanding of the requirements and objectives before proposals are submitted. This kind of early engagement is essential for effective procurement processes, promoting transparency and collaboration.