Conclusion (at last) of a three-part episode on the ways our perceptions and processing distort reality.  For the stalwart (and patient) seekers of knowledge only. 0:00  Groupthink 6:13   Halo Effect 10:41  Just World Fallacy 17:21  Negativity Bias 22:16  Optimism and Pessimism Bias 27:19   Reactance 31:44  Self-Serving Bias 34:41  Sunk Cost Fallacy 39:40  The Spotlight Effect 40:51  The Dunning-Krueger Effect as you never knew it   Art: Ian Armstrong