Projection screen was lowered, lights turned off, and a series of multi-coloured dots on many slides were displayed one after another on the screen.
In the dots, there were numbers / letters in colours different from the general background colour of the slide.
Adult: "Can everyone see the number?"
Almost everyone: "YESSSSSS."
One boy: "Ummm - there's no number on the screen!"
Pregnant pause.
One boy: "Oh yeah. Now I see it."
Almost everyone turns their head to look at that one boy.
Test continues.
Afterwards, the one boy was selected for further consultation...
Projection screen was lowered, lights turned off, and a series of multi-coloured dots on many slides were displayed one after another on the screen.
In the dots, there were numbers / letters in colours different from the general background colour of the slide.
Adult: "Can everyone see the number?"
Almost everyone: "YESSSSSS."
One boy: "Ummm - there's no number on the screen!"
Pregnant pause.
One boy: "Oh yeah. Now I see it."
Almost everyone turns their head to look at that one boy.
Test continues.
Afterwards, the one boy was selected for further consultation...