We went to fast-food restaurants in Columbia, South Carolina.

• Did they hand us, or try to hand us, our change - or did they simply place it on the counter?

• Did they hand us, or try to hand us, our drink - or did they simply place it on the counter?

• Did they hand us, or try to hand us, our food - or did they simply place it on the counter?

• Did they make eye contact with us?

• Did they smile?

• Note: We tried to time how long it took to get our food, but this did not work out well, so we did not use this data.