Who formulated the law of effect?

Downward drift is BEST reflected in which of the following statements?

A) Poverty and social disruption cause schizophrenia. B) Schizophrenia causes people to fall into poverty and social disruption. C) Genetic factors cause both schizophrenia and poverty. D) Schizophrenia causes marital disruption, which causes poverty.

The greater the __________________, the more long-term benefits a child gains from Head Start programs

a. mother's involvement in the program b. child's gender typicality c. family's income d. number of siblings in the home