The Freakonomics podcast episode that Ross referenced makes a case for evidence-based policy. It is available at: http://freakonomics.com/podcast/most-famous-political-operative-america/.
The ASK Manager app that Mark recommended is available from the Apple Store at: https://itunes.apple.com/gb/app/ask-manager/id1143524652.
The two CIPD reports that Owen recommended are available at: https://www.cipd.co.uk/Images/rapid-evidence-assessment-of-the-research-literature-on-the-effect-of-goal-setting-on-workplace-performance_tcm18-16903.pdf and https://www.cipd.co.uk/Images/rapid-evidence-assessment-of-the-research-literature-on-the-effect-of-performance-appraisal-on-workplace-performance_tcm18-16902.pdf.
The CIPD's 'Evidence-based HR' discussion forum can be accessed at: http://www2.cipd.co.uk/community/discussion-forum/evidence-based-hr.
Mark's HR blog is available at: http://hendyshrblog.co.uk/.
The article Owen recommended on Deep Blue's psychological battle with Kasparov is available at: https://backchannel.com/what-deep-blue-tells-us-about-ai-in-2017-3284f92b2a93.
And the source for Ross' German word game was: http://hellogiggles.com/10-fabulous-german-words-english-equivalent/.
Finally, because it's 2017, the text-to-speech voice used in this podcast was Google Translate, not Microsoft Sam. Ross apologises for any confusion caused.