| 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 |
||