26 



NATURE AND NURTURE 



TABLE III. STRENGTH OF NURTURE 



Characters Dealt With. Correlation, 



Keenness of vision and home environment as measured by 



cleanliness of body and clothing 

 Eye disease and overcrowding . 



,, ,, economic condition of home 



,, ,, physical ,, parents 



,, ,, moral ,, ,, 



Myopia and age at which child begins to read 

 Liability to phthisis and destitution . 

 Keenness of vision and number of persons per room 

 Myopia ,, ,, ,, ,, 



Moral state of parents and refraction of offspring 

 Physical ,, ,, ,, 



Economic condition ol home and refraction of offspring 

 Moral state of parents and keenness of vision of offspring 

 Physical ,, ,, ,, ,, 



Economic condition of home and keenness of vision of offspring 

 Weight of child and mental capacity 

 Stature ,, ,, ,, 



Condition of teeth and mental capacity 

 Condition of clothing 



State of nutrition 



Cleanliness 



Glands 

 Tonsils 



(Boys) 

 (Girls) 

 (Boys) 

 (Girls) 

 (Boys) 

 (Girls) 



(Boys) 

 (Girls) 



Alcoholism of parent and weight of child 

 ,, stature ,, 



,, health ,, 



father and intelligence of child . 

 mother ,, ,, • 



parent and myopia in child . 

 father and eye disease in child 

 mother „ ,, • 



Acuity of vision and time out of doors 

 Shortsight ,, ,, 



' Unhealthy ' trade of father and weight of child 



), )) )> height ,, 



Employment of mother and weight of son 



,, daughter 



stature of son 



,, daughter 



intelligence of son 



,, daughter 



health of child 

 Wages of father and weight of child 



,, ,, stature ,, 



Number of rooms and weight of child 



,, ,, stature ,, 



Mean nurture value, + -03 

 A negative sign indicates that an unfavourable condition or environ- 

 ment appears on the basis of the data available to indicate an 

 improvement in the character. 



