From which area of the world have the most recent refugees to the U.S. come?

A way of speaking to the aged that uses short and simple sentences, exaggerated emphasis, slower speech, higher pitch, and repetition is called ______

Fill in the blank with correct word

_______________ psychologists are concerned with group decision making, employee morale, work motivation, productivity, job stress, and many such organizational issues

a. Educational b. Developmental c. Industrial/organizational d. Experimental