Review of Design sensitivity: Statistical power for experimental research and Fourth generation evaluation.

1991 ◽  
Vol 14 (3) ◽  
pp. 112-117
Author(s):  
Gary R. Bond
Evaluation ◽  
1999 ◽  
Vol 5 (3) ◽  
pp. 340-358 ◽  
Author(s):  
Angela J. Huebner ◽  
Sherry C. Betts

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