1:22

Why Jason believes that 'grandmother wisdom' is often more useful to us than behavioural science

3:17

Why Katie found academic literature more helpful than 'dad wisdom'

5:14

On common sense and trusting our instincts

7:33

Analysis vs practical experimentation

10:36

The new customer 'treasure hunt' at Sam's Club

12:18

The challenge of helping to design a new cashier-less store

14:33

We're certainty-seeking creatures - or are we?

15:13

Neuroticism, openness and conscientiousness

17:42

Can our personality change?

19:26

A common problem with 'self help'

19:42

How much can we influence our children?

20:18

The approach to 'self help' that Katie has found most valuable in her own life

21:07

"There's no such thing as a bad personality"

22:18

Jason's 'Little Challenge'