5.0 . 

 A.O 

 3.0 

 ^ 2.0 



l-H 



< 

 a: 



1.0-1 

 0. 8 

 0.6 



0.4 



0.2 







K 



20 

 DURATION, DAYS 



30 



® PLEASANTNESS 

 A ANXIETY 

 ■ DEPRESSION 

 A SOCIAL AFFECTION 

 D CONCENTRATION 

 © ACTIVATION 



SCIENTIST MOOD 



5.0- 



4.0- 



3.0- 



2.0 



1.0- 



0.8H 



0.6 



O.A 



0.2 



0. 



14 



DURATION^ DAYS 



ENGINEER MOOD 



Figure 4. Effect of Mission Duration on Mood 



VIII -86 



