Jay wants to get his roommate mark to put his dishes in the dishwasher when he's done eating. jay starts by giving mark a cookie each time he puts his dishes in the kitchen. he then gives mark a cookie each time he puts his dishes near the dishwasher. finally he gives mark a cookie only when he puts his dishes in the dishwasher. this is an example of

Between 1518 and 1548, spanish conquistadores conquered most of the new world, motivated by the a) desire for scientific knowledge. b)  to urge to claim more territory for spain. c) belief that an all-water western route to the orient existed. d) desire to advance national glory, serve god, and seek personal wealth.

What caused the settlement of more african americans in the mississippi alluvial plain region than in the ozark mountains point)

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.