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.
1 Typical consumption is 80 DGE (Diesel gallon equivalents) per day. 2  U.S. consumption is currently approximately 90 million DGE per day. 3  Typical consumption is 1,200 DGE per day for one rig.  U.S. consumption is over 2 million DGE per day.