Table 8. --Effects of Time and Engineer Rotation 

 on Habitat Activities of Scientists 



Variable 



Total Marine Science 



Mean % Mean % 



1st Half (Before 2nd Half (After Interaction 

 Engineer Change) Engineer Change ) F-Ratio Probability 



Group 



Long Missions with 27.9 



Engineer Change 

 2 Missions; 8 Scientists 



Long Missions Without 28.5 



Engineer Change 

 4 Missions; 16 Scientists 



28.2 



27.7 



<1 



■M.S. 



Total Work 



Long Missions with 

 Engineer Change 



Long Missions without 

 Engineer Change 



32.4 

 32.9 



31.2 



31.2 



^1 



N.S. 



Sleep 



Long Missions with 

 Engineer Change 



Long Mission without 

 Engineer change 



35.9 



36.7 



38.5 



38.1 



<1 



M.S. 



Total Leisure 



Long Missions with 

 Engineer Change 



Long Missions without 

 Engineer Change 



20.6 



18.4 



20.7 



18.2 



^1 



N.S. 



Co-recreation 



Long Missions with 

 Engineer Change 



Long Missions without 

 Engineer Change 



10.7 



7.1 



9.5 



7.7 



5.61 



.02 



VIII-44 



