Researchers conduct an experiment in which one group is exposed to Treatment A and the other group is exposed to Treatment B. If the group exposed to Treatment A is designated as the treatment group, the group exposed to Treatment B is the

The increase in single parenthood in the U.S. in recent decades is largely accounted for by the increase in the proportion of children born to cohabiting couples.

a. true b. false

The use of eclectic forms of therapy makes it difficult for a critical thinker to

A) establish correlation. B) evaluate and eliminate rival hypotheses. C) identify falsifiable theories about why a treatment works. D) replicate individual therapeutic outcomes with other patients.