Ralph agrees to purchase a car for $21,000.  However, just b…

Ralph agrees to purchase a car for $21,000.  However, just before Ralph signs the contract, the salesperson tells him that there are some added costs and the car will end up costing $22,500.  Ralph agrees to buy the car anyway.  In this scenario, Ralph has fallen prey to the _____.

Prior to a basketball game, Coach Keating shakes his players…

Prior to a basketball game, Coach Keating shakes his players’ hands.  Each player then gives the others a fist bump and a hug.  In contrast, coach Lopez verbally wishes the players luck and then leads the team through a cheer.  Based on research described in your textbook, how and why will the teams perform differently if they follow these same routines over the whole season?