TD Magazine Article TwentyFive Years of Research HA By Haidee Allerton 0 Comments Bookmark Main Site Sign in Page Don't have an ATD account? Don't have an ATD account? Forgot your Password? Already an ATD customer without a web account? Institutional subscriber? Click here to sign in. Share Member-Only Content Comments on W. Timothy Weaver's article 'When Discounting Gets in the Way.' Clarifications concerning the concepts used by Weaver; Information about 'Synectics: Twenty-Five Years of Research.' You've reached ATD member-only content. Sign in below or join ATD to continue. Sign In