From the 1920s to the 1950s, behavioral psychology dominated much of psychological thought, but the cognitive revolution of the 1950s revealed cracks in the theories of the radical behaviorists, and cognitive psychology eventually managed to gain the upper hand.
Top 10 Heavyweight Contenders. 1  Deontay Wilder â Wilder jumped to the number 1 contender position following his step up win against Bermane Stiverne. 2  While it cost him his all-KO streak, proving he could win a fight over the 12-round distance after never going past 4 rounds was an even bigger statement.
This is a chronological List of World Light Heavyweight Boxing Champions, as recognized by four of the better-known sanctioning organizations: