To illustrate operational definitions of psychological concepts, we contrast them with their dictionary definitions. Table 4.1 lists six psychological variables, their dictionary definitions and one or more operational definitions.
Of course there will be wide variations, butâ¦. According to my (very general) estimations listed above, on average each person may consume 66 gallons of water each day. Generally, in the United States there are about 2.5 people per household. So the water consumption figure jumps to 165 gallons per day.
The United States consumes 2.4822 gallons of oil per day per capita while Venezuela consumes 0.8316. This entry is the total oil consumed in gallons per day (gal/day) divided by the population.