000 00756nam a2200241Ia 4500
003 OSt
005 20241028115339.0
008 210716s1979 xx 000 0 und d
020 _a0395307902
040 _cAIMIT LIBRARY
041 _aeng
082 _a519.5
_21
_bCOOT
100 _aCook, Thomas D.
_9183473
245 _aQuasi-experimentation :
_cBy Thomas D Cook and Donald T Campbell.
250 _a1st ed.
260 _aBoston :
_bHoughton mifflin Company ,
_c1979.
300 _axii,405p. ;
_bPB
_c23.6 cm
650 _aValidity
_9183474
650 _aInferring cause from passive observation
_9183475
650 _aThe conduct of randomized experiments
_9183476
700 _aCampbell, Donald T.
_9183477
942 _2ddc
_cBK
_e1st
_k519.5 COOT
999 _c201718
_d201718