Science: v.1-v.219Moses King, 1967 |
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Стр. 1030
... separation from mother for more than a brief period ( 1 , 2 ) . Higher organisms , who are not precocial , require parental care to de- velop normally . The relationship be- tween infant and mother is thus crucial and the consequences ...
... separation from mother for more than a brief period ( 1 , 2 ) . Higher organisms , who are not precocial , require parental care to de- velop normally . The relationship be- tween infant and mother is thus crucial and the consequences ...
Стр. 1031
... separation month all four showed a significant increase in self- directed behavior ( P < .05 ) and ex- ploration of inanimate objects ( P < .01 ) , and a significant decrease in play ( P < .01 ) , both social and nonsocial . The early ...
... separation month all four showed a significant increase in self- directed behavior ( P < .05 ) and ex- ploration of inanimate objects ( P < .01 ) , and a significant decrease in play ( P < .01 ) , both social and nonsocial . The early ...
Стр. 1241
... separation factors for more than 50 samples ( Tables 2-4 ) exhibit a normal Sample Frequency 20 I 16- 2 8 0.5 0.9 1.3 1.7 2.1 2.5 2.9 3.3 3.7 Log Separation Factor Fig . 2. The distribution of experimentally determined separation ...
... separation factors for more than 50 samples ( Tables 2-4 ) exhibit a normal Sample Frequency 20 I 16- 2 8 0.5 0.9 1.3 1.7 2.1 2.5 2.9 3.3 3.7 Log Separation Factor Fig . 2. The distribution of experimentally determined separation ...
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Vol 155 No 3765 | 951 |
International Biological Program | 957 |
E M Williams | 974 |
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