Okay, so Trevor in accounts payable turns up late every day, never contributes any ideas and, at best, his work can only be described as 'adequate'. He can be counted on to have a negative opinion on everything, except going home early.
Trevor is one the 57% of New Zealanders not engaged in their work.*
66 days. But only if you're an average habit-changer.
Phillippa Lally and colleagues from University College London found that the range for establishing new habits was 18 to 254 days. The habits included going for a 15 minute run before dinner and doing 50 situps after morning coffee.*