A mild degree of pain releases the neurotransmitter ____. A more intense pain also releases ____

In unpackaging studies, "culture" as an unspecified variable is replaced by more specific variables in order to explain observed differences

a) True b) False

In general, in which of the following situations are women more likely to offer help than men?

a. In close relationships b. Toward strangers c. In emergency situations d. In public (when onlookers are present)