Creative problem solving typically involves ______

Suppose an anthropologist studies a culture in which adults have very poor diets and consequently are considerably shorter than would be expected. The word that describes this condition is:

a. anorexia b. anemia c. kwashiorkor d. stunting

Why is it important to determine how many research participants are needed before conducting a study?

a) To determine powe b) To estimate validity c) To determine reliability d) To estimate precedence