See https://en.wikipedia.org/wiki/The_Magical_Number_Seven,_Plus_or_Minus_Two https://en.wikipedia.org/wiki/The_Magical_Number_Seven,_Plus... However stating "

See https://en.wikipedia.org/wiki/The_Magical_Number_Seven,_Plus_or_Minus_Two https://en.wikipedia.org/wiki/The_Magical_Number_Seven,_Plus... However stating "can't handle more than 7 objects in working memory" as fact seems a little too assertive to me :) Humans can do it, but are usually not very good at it as the number of items goes up.