During the performing stage of group development, select one: a. the members learn what is expected of them b. the members take actions as a coherent entity c. the members begin to express their different opinions d. the members get acquainted with each other

Suppose that sociologists and cultural anthropologists are tying to measure the amount of child abuse for cross cultural comparison. they run into disagreement over whether spanking a child is abuse or discipline. what problem are they encountering in their research? a. reliability of the definition of abuse. b. validity of the definition of abuse. c. occam's razor about the definition of abuse. d. none of these.