Table 2.

Examples of post-scan true-false questions

Video	Question
Avalanche	Cross-country ski trails are visible on the right side of the screen (true)
Ballet Jazz	At the end of the clip, all dancers have both feet in the air (true)
Barack Obama	There is a plant on the left side of the screen (true)
Coliseum	The clouds are moving from left to right (true)
Man Crying	The man is wearing a jacket with a neck tie (false)
Meat Slicing	In the bottom right corner, the logo says “Buckhall steakhouse” (false)
Owl Petting	The person's sleeve is lined with fur (false)
Race Car	At one point, the car touches the grass (false)
Roller Coaster	Screaming reaches its highest pitch in the last third of the video (true)
Skateboarding Dog	There is a bicycle in the background (true)
Woman Diving	The woman makes a huge splash as she enters the water (false)