Which of the following coefficients of correlation indicates the WEAKEST relationship between two sets of variables?

Skinner wrote a book entitled _________ to illustrate his view of an ideal society.

a) Beyond Behavior b) Toward Operant Conditioning c) Walden II d) Utopia: A Token Economy

The number of adolescents using the substances ________ has increased in recent years

A) inhalants and tobacco B) cocaine and tobacco C) heroine and cocaine D) inhalants and OxyContin