Each of the items below refer to the following study: The di…

Each of the items below refer to the following study: The diner’s manager conducts a test to determine whether using a simple or fancy table setting influences treatment of the wait staff at the diner by measuring how much customers leave for a tip. He uses an ABBA strategy to assign on each lunch shift across 4 weeks whether (A) simple table settings (e.g., with paper napkins and plastic placemats) or (B) fancy table settings (e.g., with cloth napkins and placemats) will be used throughout the dining room.  Here is the SPSS output of results: