Therefore, marriage is preferable to celibacy. Expert opinion is rather evenly divided over which is the preferable model. The first method is preferable and easier. Parfit argues the latter is preferable. These characteristics make them preferable choices to people. The Department for Transport consider improving visibility to be preferable to installing a stop sign. Defection always gives a game-theoretically preferable outcome. The preferable spacer material is rigid insulation. He later called these groups less preferable than the Chinese immigrants. So it remains to choose the most preferable among the proposed. Many other Hindus, however, view polytheism as far preferable to monotheism. A thin pan is preferable to prevent browning. He said the current method was preferable to a wall. Instrumental Values refer to preferable modes of behavior. This can make them preferable for sports and other outdoor activities.