________ are produced by some white blood cells and act to destroy invading microorganisms in the body

School-age children with peer-relationship problems are more likely to

A) have experienced permissive discipline. B) come from middle-SES families. C) have weak emotional self-regulation skills. D) have experienced authoritative discipline.

There is a growing trend among psychologists to have interests and beliefs that:

a. include aspects of two or more traditional approaches. b. are related to the environmental effects on behavior. c. were once considered pseudoscience. d. cannot be studied using empirical methods.