iPhone, Nexus One, Windows Phone 7 and S60 - who rocks? 4,5th,android,aojajena,ergonomics,experience,fitts,"fitts law",fittss,generation,google,hicks,"hicks law",interaction,interface,iphone,microsoft,mylko,nexus,"nexus one",nokia,one,"phone 7",rock,rocks,s60,series,suck,sucks,symbian,top,"top 4",usability,user,ux,vasyl,vmylko,windows

1. which mobile UX rocks? Apple iPhone Google Nexus One Windows Phone 7 Symbian S60 5th

2. what time does it take for me to want to click?

3. more choices I have – more time it takes Reaction time, T Low IQ Avg IQ High IQ Probable choices, n

4. it is Hick’s law T - is an average reaction time required to choose among choices n - is a number of equally probable choices b - is a constant that can be determined empirically

5. let’s check top mobiles against Hick’s law!

6. let’s check top mobiles against Hick’s law! Much choices 

7. let’s check top mobiles against Hick’s law! Many choices  Much choices 

8. let’s check top mobiles against Hick’s law! Many choices  Much choices  Not so many choices 

9. let’s check top mobiles against Hick’s law! Many choices  Many choices  Much choices  Not so many choices 

10. what time does it take to move to click point?

11. the smaller item is – the more time it takes the bigger distance is – the more time it takes

12. it is Fitts’s law T - is the average time taken to complete the movement. a - is an empirical constant represents the start/stop time of the device. b - is an empirical constant standing for the inherent speed of the device. D - is the distance from the starting point to the center of the target. W - is the width of the target measured along the axis of motion.

13. let’s check top mobiles against Fitts’s law!

14. let’s check top mobiles against Fitts’s law! Small sizes 

15. let’s check top mobiles against Fitts’s law! Tiny sizes  Small sizes 

16. let’s check top mobiles against Fitts’s law! Tiny sizes  Small sizes  Big sizes 

17. let’s check top mobiles against Fitts’s law! Tiny sizes  Small sizes  Small sizes  Big sizes  and pretty similar distances on all 4…

18. surprised by results? Windows Phone 7 has very promising UX! iPhone did revolution in the past… But it isn’t a killer mobile UX now. S60 5th has good ideas (haptic), but default screen UX isn’t good. Google Nexus One disappointed me! I expected UX breakthrough from them…

19. resources and contact http://en.wikipedia.org/wiki/Hick's_law http://en.wikipedia.org/wiki/Fitts's_law Vasyl Mylko mailto:vmylko@gmail.com